853 lines
23 KiB
Go
853 lines
23 KiB
Go
package flow
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import (
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"ai-agent/workflow/consts/node"
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nodeDao "ai-agent/workflow/dao/node"
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"ai-agent/workflow/model/dto"
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flowDto "ai-agent/workflow/model/dto/flow"
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nodeDto "ai-agent/workflow/model/dto/node"
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"ai-agent/workflow/model/entity"
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"bytes"
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"context"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"net/url"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"sync"
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commonHttp "gitea.redpowerfuture.com/red-future/common/http"
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"gitea.redpowerfuture.com/red-future/common/utils"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/util/gconv"
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"github.com/tidwall/sjson"
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)
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// 全局等待任务回调的工具
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var (
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asyncMu sync.Mutex
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asyncTasks = make(map[string]chan any)
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)
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// Wait 阻塞等待回调结果
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// 调用后会一直卡住，直到 Notify 唤醒 或 超时/取消
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func Wait(ctx context.Context, taskId string) (any, error) {
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asyncMu.Lock()
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ch := make(chan any, 1)
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asyncTasks[taskId] = ch
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asyncMu.Unlock()
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defer close(ch)
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for {
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select {
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case result := <-ch:
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return result, nil
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case <-ctx.Done():
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asyncMu.Lock()
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delete(asyncTasks, taskId)
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asyncMu.Unlock()
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return nil, ctx.Err()
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}
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}
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}
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// Notify 回调时调用，唤醒等待的任务
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func Notify(taskId string, result any) {
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asyncMu.Lock()
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defer asyncMu.Unlock()
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ch, exist := asyncTasks[taskId]
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if !exist {
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return
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}
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ch <- result
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delete(asyncTasks, taskId)
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}
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func GetIsChatModel(ctx context.Context) (res *flowDto.GetIsChatModelRes, err error) {
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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res = new(flowDto.GetIsChatModelRes)
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err = commonHttp.Get(ctx, "model-gateway/model/getIsChatModel", headers, res, nil)
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return
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}
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func GetModelInfo(ctx context.Context, req *flowDto.GetModelInfoReq) (res *flowDto.GetModelInfoRes, err error) {
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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res = new(flowDto.GetModelInfoRes)
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err = commonHttp.Get(ctx, "model-gateway/model/getModel", headers, res, req)
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return
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}
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func GetComposeResult(ctx context.Context, buildType int, modelName, promptContent, skillName string, form []map[string]any, userForm []map[string]any, fileUrl []string, sessionId, nodeId string, cause string) (res *flowDto.ComposeCallbackReq, err error) {
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if !g.IsEmpty(promptContent) {
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userForm = append(userForm, map[string]any{
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"prompt": promptContent,
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})
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}
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var callbackUrl = utils.GetCallbackURL(ctx, "/flow/execution/composeCallBack")
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var consult = make([]flowDto.Consult, 0)
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var collectFileUrls func(val any) (fullyConsumed bool)
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collectFileUrls = func(val any) (fullyConsumed bool) {
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switch {
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case g.NewVar(val).IsSlice():
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slice := gconv.SliceAny(val)
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allConsumed := false
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for _, item := range slice {
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if collectFileUrls(item) {
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allConsumed = true
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}
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}
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return allConsumed
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case g.NewVar(val).IsMap():
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m := gconv.Map(val)
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allConsumed := false
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for _, item := range m {
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if collectFileUrls(item) {
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allConsumed = true
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}
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}
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return allConsumed
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default:
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s := gconv.String(val)
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if s != "" {
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getFileTypeByPath := GetFileTypeByPath(s)
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if getFileTypeByPath != "" {
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consult = append(consult, flowDto.Consult{
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Type: getFileTypeByPath,
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Url: s,
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})
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return true
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}
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}
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return false
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}
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}
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var newUserForm []map[string]any
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for _, m := range userForm {
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for k, v := range m {
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if collectFileUrls(v) {
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delete(m, k)
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}
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}
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if len(m) > 0 {
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newUserForm = append(newUserForm, m)
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}
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}
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for _, v := range fileUrl {
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getFileTypeByPath := GetFileTypeByPath(gconv.String(v))
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if getFileTypeByPath != "" {
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consult = append(consult, flowDto.Consult{
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Type: getFileTypeByPath,
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Url: gconv.String(v),
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})
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}
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}
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msgReq := flowDto.ComposeMessagesReq{
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BuildType: buildType,
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ModelName: modelName,
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SkillName: skillName,
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CallbackUrl: callbackUrl,
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Cause: cause,
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Form: form,
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UserForm: newUserForm,
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Consult: consult,
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SessionId: sessionId,
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NodeId: nodeId,
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}
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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msgRes := new(flowDto.ComposeMessagesRes)
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err = commonHttp.Post(ctx, "prompts-core/prompt/composeMessages", headers, msgRes, &msgReq)
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if err != nil {
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return
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}
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if g.IsEmpty(msgRes.TaskId) {
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return nil, fmt.Errorf("msg is empty")
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}
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waitRes, err := Wait(ctx, msgRes.TaskId)
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if err != nil {
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return nil, err
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}
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msg := new(flowDto.ComposeCallbackReq)
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if err = gconv.Struct(waitRes, msg); err != nil {
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return nil, err
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}
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if !g.IsEmpty(msg.ErrorMsg) {
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return nil, fmt.Errorf(msg.ErrorMsg)
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}
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return msg, nil
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}
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func CreateGatewayTask(ctx context.Context, epicycleId int64, model string, content map[string]any) (map[string]any, error) {
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taskId, err := createGatewayTaskOnly(ctx, epicycleId, model, content)
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if err != nil {
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return nil, err
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}
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return waitGatewayResult(ctx, taskId)
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}
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// createGatewayTaskOnly creates a gateway task and returns the taskId only
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// doesn't wait for completion
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func createGatewayTaskOnly(ctx context.Context, epicycleId int64, model string, content map[string]any) (string, error) {
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callbackUrl := utils.GetCallbackURL(ctx, "/flow/execution/modelCallback")
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req := flowDto.ModelGatewayReq{
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ModelName: model,
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BizName: g.Cfg().MustGet(ctx, "server.name").String(),
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CallbackUrl: callbackUrl,
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RequestPayload: content,
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EpicycleId: epicycleId,
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}
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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res := new(flowDto.ModelGatewayRes)
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err := commonHttp.Post(ctx, "model-gateway/task/createTask", headers, res, &req)
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if err != nil {
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return "", err
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}
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if g.IsEmpty(res.TaskId) {
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return "", fmt.Errorf("创建模型任务失败，taskId为空")
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}
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return res.TaskId, nil
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}
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// waitGatewayResult waits for a created gateway task to complete and returns the result
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func waitGatewayResult(ctx context.Context, taskId string) (map[string]any, error) {
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waitRes, err := Wait(ctx, taskId)
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if err != nil {
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return nil, err
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}
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task := new(flowDto.ModelCallbackReq)
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if err = gconv.Struct(waitRes, task); err != nil {
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return nil, err
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}
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if task.State == 3 || !g.IsEmpty(task.ErrorMsg) {
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return nil, fmt.Errorf("模型执行失败：%s", task.ErrorMsg)
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}
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if g.IsEmpty(task.Messages) {
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return nil, fmt.Errorf("模型返回结果为空")
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}
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// 获取远程文件内容
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//file, err := GetFileBytesFromURL(ctx, task.OssFile)
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//if err != nil {
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// return nil, err
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//}
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//task.Messages = gconv.Map(file)
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return task.Messages, nil
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}
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// updateTokenCount updates the token count in node execution
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func updateTokenCount(ctx context.Context, nodeExecutionId int64, responseField string, result map[string]any) {
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if responseField == "" {
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return
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}
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_, _ = nodeDao.NodeExecutionDao.Update(ctx, &nodeDto.UpdateNodeExecutionReq{
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Id: nodeExecutionId,
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CompletionTokens: gconv.Int(result[responseField]),
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TotalTokens: gconv.Int(result[responseField]),
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})
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}
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func GetModelResult(ctx context.Context, sessionId string, nodeInput *flowDto.NodeExecutionInput, skillName string, form []map[string]any, userForm []map[string]any) (mapTaskResult []map[string]any, err error) {
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buildType := 1
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if nodeInput.Config.NodeCode == node.NodeTypeDataConversionModel {
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buildType = 3
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}
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if !nodeInput.Global.IsDialogue {
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sessionId = ""
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}
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composeResult, err := GetComposeResult(ctx, buildType, nodeInput.Config.ModelConfig.ModelName, nodeInput.Config.PromptContent, skillName, form, userForm, nodeInput.Global.FileUrl, sessionId, nodeInput.Config.Id, nodeInput.Config.Name)
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if err != nil {
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return nil, err
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}
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modelInfo, err := GetModelInfo(ctx, &flowDto.GetModelInfoReq{ModelName: nodeInput.Config.ModelConfig.ModelName})
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if err != nil {
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return nil, err
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}
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mapTaskResult = make([]map[string]any, len(composeResult.Messages.Rounds))
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var taskResultMap map[string]any
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needSequential := false
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if buildType == 1 {
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if needSequential {
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for idx, item := range composeResult.Messages.Rounds {
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if !g.IsEmpty(taskResultMap) {
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var set string
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set, err = sjson.Set(gconv.String(item), modelInfo.Model.LastFrame, gconv.String(taskResultMap[modelInfo.Model.ResponseBody]))
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if err != nil {
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return nil, err
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}
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item = gconv.Map(set)
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}
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var taskResult map[string]any
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taskResult, err = CreateGatewayTask(ctx, composeResult.EpicycleId, nodeInput.Config.ModelConfig.ModelName, item)
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if err != nil {
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return nil, err
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}
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if g.IsEmpty(taskResult) {
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return nil, fmt.Errorf("模型返回结果为空")
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}
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if nodeInput.Config.NodeCode == node.NodeTypeVideoModel {
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ext := GetFileTypeByPath(gconv.String(taskResult[modelInfo.Model.ResponseBody]))
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if ext == "image" {
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taskResultMap = taskResult
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} else {
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taskResultMap = make(map[string]any)
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}
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} else {
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taskResultMap = make(map[string]any)
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}
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mapTaskResult[idx] = taskResult
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updateTokenCount(ctx, nodeInput.NodeExecutionId, modelInfo.Model.ResponseTokenField, taskResult)
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}
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} else {
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taskIdList := make([]string, len(composeResult.Messages.Rounds))
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for idx, item := range composeResult.Messages.Rounds {
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var taskId string
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taskId, err = createGatewayTaskOnly(ctx, composeResult.EpicycleId, nodeInput.Config.ModelConfig.ModelName, item)
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if err != nil {
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return nil, err
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}
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taskIdList[idx] = taskId
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}
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var wg sync.WaitGroup
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errChan := make(chan error, len(taskIdList))
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for idx, taskId := range taskIdList {
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wg.Add(1)
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go func(idx int, taskId string) {
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defer wg.Done()
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var taskResult map[string]any
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taskResult, err = waitGatewayResult(ctx, taskId)
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if err != nil {
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errChan <- err
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return
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}
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mapTaskResult[idx] = taskResult
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updateTokenCount(ctx, nodeInput.NodeExecutionId, modelInfo.Model.ResponseTokenField, taskResult)
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}(idx, taskId)
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}
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wg.Wait()
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close(errChan)
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if len(errChan) > 0 {
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return nil, <-errChan
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}
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}
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} else {
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for idx, item := range composeResult.Messages.Rounds {
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mapTaskResult[idx] = item
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updateTokenCount(ctx, nodeInput.NodeExecutionId, modelInfo.Model.ResponseTokenField, item)
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}
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}
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return mapTaskResult, nil
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}
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func BuildNestedJson(body g.Map, mockConfigMap map[string]*entity.FlowNode) g.Map {
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jsonStr := "{}"
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for originKey, originItem := range body {
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bodyItemMap := gconv.Map(originItem)
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val := bodyItemMap["value"]
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if v, ok := bodyItemMap["value"]; ok {
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jsonStr, _ = sjson.Set(jsonStr, originKey, v)
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}
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// 判断 value 是不是引用结构（map）
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if g.NewVar(val).IsMap() {
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valMap := gconv.Map(val)
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nodeId := gconv.String(valMap["nodeId"])
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fieldName := gconv.String(valMap["field"])
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if configValue, ok := mockConfigMap[nodeId]; ok {
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if !g.IsEmpty(configValue.OutputResult) {
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for _, v := range configValue.OutputResult {
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if strings.Contains(v.Field, fieldName) {
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if configValue.NodeCode == node.NodeTypeDataConversionModel {
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switch {
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case g.NewVar(v.Value).IsSlice() || g.NewVar(v.Value).IsMap():
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// 核心：自动判断两种结构，精准赋值
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vm := gconv.Map(v.Value)
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// 先判断是否是 单个key包裹的对象（如 {"subtitle_style": {...}}）
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if len(vm) == 1 {
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// 遍历取出唯一的 key 和 真实值
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for innerKey, innerVal := range vm {
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// 直接用 innerKey（subtitle_style）赋值
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jsonStr, _ = sjson.Set(jsonStr, innerKey, innerVal)
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}
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} else {
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// 直接是对象，用 originKey 赋值
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jsonStr, _ = sjson.Set(jsonStr, originKey, v.Value)
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}
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default:
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jsonStr, _ = sjson.Set(jsonStr, originKey, v.Value)
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}
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} else {
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jsonStr, _ = sjson.Set(jsonStr, originKey, v.Value)
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}
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}
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}
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}
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if !g.IsEmpty(configValue.FormConfig) {
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for _, v := range configValue.FormConfig {
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if v.Field == fieldName {
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if v.Type == "uploadMultiple" {
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if g.NewVar(v.FieldConstraint).IsMap() {
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mapFieldConstraint := gconv.Map(v.FieldConstraint)
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for key, value := range mapFieldConstraint {
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if key == "maxFileCount" {
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if gconv.Int(value) == 1 {
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// 如果是单文件上传，则替换成字符串重新赋值给v.Value
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if g.NewVar(v.Value).IsSlice() {
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sliceVal := gconv.SliceAny(v.Value)
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if len(sliceVal) > 0 {
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v.Value = sliceVal[0]
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}
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}
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}
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}
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}
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}
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}
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jsonStr, _ = sjson.Set(jsonStr, originKey, v.Value)
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}
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}
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}
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}
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}
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}
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return gconv.Map(jsonStr)
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}
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func VideoConcat(ctx context.Context, videoUrls []string) (r any, err error) {
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var httpUrl = "media/video/concat/async"
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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var callbackUrl = utils.GetCallbackURL(ctx, "/flow/execution/videoCallback")
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var newBody = flowDto.VideoConcatReq{
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VideoUrls: videoUrls,
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Method: "auto",
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Upload: true,
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CallbackUrl: callbackUrl,
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}
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res := new(flowDto.VideoConcatRes)
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err = commonHttp.Post(ctx, httpUrl, headers, &res, newBody)
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if err != nil {
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return nil, err
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}
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return Wait(ctx, res.TaskId)
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}
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func GetFileBytesFromURL(ctx context.Context, fileUrl string) ([]byte, error) {
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// 使用 GoFrame 客户端（自带超时、追踪、日志等能力）
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resp, err := g.Client().Get(ctx, fileUrl)
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if err != nil {
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return nil, gerror.Wrapf(err, "failed to request url: %s", fileUrl)
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}
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defer resp.Close()
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// 校验状态码
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if resp.StatusCode != http.StatusOK {
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return nil, gerror.Newf("request failed with status code: %d, url: %s", resp.StatusCode, fileUrl)
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}
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||
|
||
// 读取全部内容
|
||
allBytes, err := io.ReadAll(resp.Body)
|
||
if err != nil {
|
||
return nil, gerror.Wrapf(err, "failed to read response body, url: %s", fileUrl)
|
||
}
|
||
|
||
return allBytes, nil
|
||
}
|
||
|
||
func Upload(ctx context.Context, req *dto.UploadFileBytesReq) (*dto.UploadFileBytesRes, error) {
|
||
body := &bytes.Buffer{}
|
||
writer := multipart.NewWriter(body)
|
||
|
||
part, err := writer.CreateFormFile("file", req.FileName)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
if _, err = part.Write(req.FileBytes); err != nil {
|
||
return nil, err
|
||
}
|
||
if err = writer.Close(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
headers := make(map[string]string)
|
||
headers["Content-Type"] = writer.FormDataContentType()
|
||
if r := g.RequestFromCtx(ctx); r != nil {
|
||
if auth := r.Header.Get("Authorization"); auth != "" {
|
||
headers["Authorization"] = auth
|
||
}
|
||
}
|
||
|
||
// 发起上传请求
|
||
res := &dto.UploadFileBytesRes{}
|
||
httpUrl := "oss/file/uploadFile"
|
||
if err = commonHttp.Post(ctx, httpUrl, headers, res, body.Bytes()); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
g.Log().Infof(ctx, "[Upload] success url=%s size=%d", res.FileURL, res.FileSize)
|
||
return res, nil
|
||
}
|
||
|
||
func GetFileTypeByPath(filePath string) string {
|
||
if filePath == "" {
|
||
return ""
|
||
}
|
||
|
||
// 解析 URL，获取真实路径（兼容 http 链接）
|
||
u, err := url.Parse(filePath)
|
||
if err == nil {
|
||
filePath = u.Path
|
||
}
|
||
|
||
// 获取后缀（小写）
|
||
ext := filepath.Ext(filePath)
|
||
ext = strings.ToLower(ext)
|
||
|
||
// 判断类型
|
||
switch ext {
|
||
case ".jpg", ".jpeg", ".png", ".gif", ".bmp", ".webp":
|
||
return "image"
|
||
case ".mp4", ".mov", ".avi", ".flv", ".wmv", ".mkv":
|
||
return "video"
|
||
case ".mp3", ".wav", ".m4a", ".flac", ".aac", ".ogg":
|
||
return "audio"
|
||
case ".txt", ".md", ".log", ".json", ".xml", ".inc":
|
||
return "text"
|
||
case ".html":
|
||
return "html"
|
||
case ".pdf", ".doc", ".docx", ".xls", ".xlsx", ".ppt", ".pptx":
|
||
return "document"
|
||
default:
|
||
return ""
|
||
}
|
||
}
|
||
|
||
func BuildText(text string) string {
|
||
// 生成单条HTML
|
||
var htmlBuilder strings.Builder
|
||
htmlBuilder.WriteString(`
|
||
<!DOCTYPE html>
|
||
<html lang="zh-CN">
|
||
<head>
|
||
<meta charset="UTF-8">
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||
<style>
|
||
* {
|
||
margin: 0;
|
||
padding: 0;
|
||
box-sizing: border-box;
|
||
}
|
||
body {
|
||
font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
|
||
background: #f5f5f5;
|
||
color: #333;
|
||
line-height: 1.8;
|
||
padding: 20px;
|
||
}
|
||
.container {
|
||
max-width: 900px;
|
||
margin: 0 auto;
|
||
background: #fff;
|
||
border-radius: 12px;
|
||
box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
|
||
overflow: hidden;
|
||
}
|
||
.item {
|
||
padding: 30px;
|
||
}
|
||
.image-group img {
|
||
width: 100%;
|
||
height: auto;
|
||
display: block;
|
||
margin-bottom: 6px;
|
||
border-radius: 8px;
|
||
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
|
||
}
|
||
.image-group img:last-child {
|
||
margin-bottom: 0;
|
||
}
|
||
.image-group {
|
||
margin-bottom: 25px;
|
||
}
|
||
.text {
|
||
padding: 0;
|
||
font-size: 15px;
|
||
line-height: 1.4;
|
||
color: #555;
|
||
}
|
||
.text h2 {
|
||
font-size: 28px;
|
||
font-weight: bold;
|
||
color: #1a1a1a;
|
||
margin-bottom: 15px;
|
||
line-height: 1.2;
|
||
}
|
||
.text h3 {
|
||
font-size: 20px;
|
||
font-weight: 600;
|
||
color: #2c3e50;
|
||
margin: 20px 0 12px;
|
||
padding-left: 12px;
|
||
border-left: 4px solid #409eff;
|
||
}
|
||
.text p {
|
||
margin-bottom: 12px;
|
||
text-align: justify;
|
||
}
|
||
.text strong {
|
||
color: #e74c3c;
|
||
font-weight: 600;
|
||
}
|
||
.text ul {
|
||
list-style: none;
|
||
padding: 0;
|
||
margin: 8px 0;
|
||
}
|
||
.text ul li {
|
||
padding: 10px 0 10px 30px;
|
||
position: relative;
|
||
line-height: 1.2;
|
||
}
|
||
.text ul li:before {
|
||
content: "●";
|
||
color: #409eff;
|
||
font-size: 12px;
|
||
position: absolute;
|
||
left: 12px;
|
||
top: 12px;
|
||
}
|
||
@media (max-width: 768px) {
|
||
body {
|
||
padding: 10px;
|
||
}
|
||
.text h2 {
|
||
font-size: 24px;
|
||
}
|
||
.text h3 {
|
||
font-size: 18px;
|
||
}
|
||
}
|
||
</style>
|
||
</head>
|
||
<body>
|
||
<div class="container">
|
||
<div class="item">
|
||
`)
|
||
// 🔥 写入文案前：删除 <p class="image-count">需要配图：X 张</p>
|
||
if text != "" {
|
||
// 写入清理后的文案
|
||
htmlBuilder.WriteString(fmt.Sprintf(`<div class="text">%s</div>`, ImageTagRegex(text)))
|
||
}
|
||
htmlBuilder.WriteString(`</div>
|
||
</div>
|
||
</body>
|
||
</html>`)
|
||
|
||
return htmlBuilder.String()
|
||
}
|
||
|
||
func BuildHtml(text string, images []string) string {
|
||
var htmlBuilder strings.Builder
|
||
htmlBuilder.WriteString(`<!DOCTYPE html>
|
||
<html lang="zh-CN">
|
||
<head>
|
||
<meta charset="UTF-8">
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||
<style>
|
||
* {
|
||
margin: 0;
|
||
padding: 0;
|
||
box-sizing: border-box;
|
||
}
|
||
body {
|
||
font-family: "Microsoft YaHei", sans-serif;
|
||
padding: 20px;
|
||
background-color: #f6f6f6;
|
||
line-height: 1.7;
|
||
font-size: 16px;
|
||
color: #333;
|
||
}
|
||
.container {
|
||
max-width: 750px;
|
||
margin: 0 auto;
|
||
background: #fff;
|
||
padding: 30px;
|
||
border-radius: 12px;
|
||
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
|
||
}
|
||
|
||
</style>
|
||
</head>
|
||
<body>
|
||
<div class="container">
|
||
`)
|
||
// 写入图片（支持0张、1张、多张）
|
||
if len(images) > 0 {
|
||
htmlBuilder.WriteString(`<div class="image-group">`)
|
||
for _, imgUrl := range images {
|
||
htmlBuilder.WriteString(fmt.Sprintf(`<img src="%s" alt="图片"/>`, imgUrl))
|
||
}
|
||
htmlBuilder.WriteString(`</div>`)
|
||
}
|
||
htmlBuilder.WriteString(`
|
||
<div id="content">加载中...</div>
|
||
</div>
|
||
|
||
<script>
|
||
const incUrl = "` + text + `";
|
||
fetch(incUrl)
|
||
.then(res => {
|
||
if (!res.ok) throw new Error("加载失败");
|
||
return res.text();
|
||
})
|
||
.then(text => {
|
||
document.getElementById("content").innerHTML = text;
|
||
})
|
||
.catch(err => {
|
||
document.getElementById("content").innerHTML = "加载失败：" + err.message;
|
||
});
|
||
</script>
|
||
</body>
|
||
</html>`)
|
||
|
||
return htmlBuilder.String()
|
||
}
|
||
|
||
// ExtractImageCount 修复：支持单引号/双引号 + 换行 + 空格
|
||
func ExtractImageCount(content string) int {
|
||
// 🔥 关键：支持 class='image-count' （单引号）
|
||
re := regexp.MustCompile(`<p class=['"]image-count['"][^>]*>.*?(\d+).*?</p>`)
|
||
match := re.FindStringSubmatch(content)
|
||
if len(match) >= 2 {
|
||
num, err := strconv.Atoi(match[1])
|
||
if err == nil {
|
||
return num
|
||
}
|
||
}
|
||
return 0
|
||
}
|
||
|
||
func ImageTagRegex(html string) string {
|
||
// 🔥 修复：支持单引号、双引号、空格、换行，100% 删除 <p class='image-count'>
|
||
imageTagRegex := regexp.MustCompile(`<p class=['"]image-count['"][^>]*>[\s\S]*?</p>`)
|
||
return imageTagRegex.ReplaceAllString(html, "")
|
||
}
|
||
|
||
// StripHtmlTags 去掉所有HTML标签，保留换行和文本结构，并删除配图标记行
|
||
func StripHtmlTags(html string) string {
|
||
// 1. 替换块级标签为换行，保证排版
|
||
blockTags := regexp.MustCompile(`</?(div|p|h1|h2|h3|h4|h5|h6|li|ul|ol|br|tr|td|th)[^>]*>`)
|
||
text := blockTags.ReplaceAllString(html, "\n")
|
||
|
||
// 2. 去掉所有剩余的 HTML 标签
|
||
allTags := regexp.MustCompile(`<[^>]+>`)
|
||
text = allTags.ReplaceAllString(text, "")
|
||
|
||
// 4. 清理多余空行（多个换行只保留一个）
|
||
text = regexp.MustCompile(`\n\s*\n`).ReplaceAllString(text, "\n")
|
||
|
||
// 5. 只去掉首尾空白，中间换行保留
|
||
text = strings.TrimSpace(text)
|
||
|
||
return text
|
||
}
|
||
|
||
// SplitMultiContents 拆分模型返回的多条文案（基于HTML标签分隔）
|
||
func SplitMultiContents(htmlContent string) []string {
|
||
var contents []string
|
||
// 正则匹配<div class="content-item" id="content-{序号}">包裹的内容
|
||
re := regexp.MustCompile(`<div class="content-item" id="content-\d+">([\s\S]*?)</div>`)
|
||
matches := re.FindAllStringSubmatch(htmlContent, -1)
|
||
for _, match := range matches {
|
||
if len(match) > 1 {
|
||
// 清理空内容
|
||
trimmed := strings.TrimSpace(match[1])
|
||
if trimmed != "" {
|
||
contents = append(contents, trimmed)
|
||
}
|
||
}
|
||
}
|
||
// 兜底：如果没有匹配到结构化内容，按换行/分隔符拆分
|
||
if len(contents) == 0 {
|
||
contents = strings.Split(htmlContent, "===分隔符===") // 提示词中可新增此兜底规则
|
||
}
|
||
return contents
|
||
}
|
||
|
||
// GetAllImgSrcFromHtml 先把提取img src的工具方法放在外面
|
||
func GetAllImgSrcFromHtml(html string) []string {
|
||
var imgSrcList []string
|
||
re := regexp.MustCompile(`<img[^>]*src\s*=\s*["']([^"']+)["']`)
|
||
submatch := re.FindAllStringSubmatch(html, -1)
|
||
for _, match := range submatch {
|
||
if len(match) >= 2 {
|
||
imgSrcList = append(imgSrcList, match[1])
|
||
}
|
||
}
|
||
return imgSrcList
|
||
}
|
||
|
||
// ReplaceImgSrc 替换img src的方法
|
||
func ReplaceImgSrc(html string, oldSrc string, newSrc string) string {
|
||
// 精准替换：找到 <img xxx src="oldSrc" xxx>
|
||
re := regexp.MustCompile(`(<img[^>]*src\s*=\s*["'])` + regexp.QuoteMeta(oldSrc) + `(["'])`)
|
||
return re.ReplaceAllString(html, `${1}`+newSrc+`${2}`)
|
||
}
|