410 lines
12 KiB
Go
410 lines
12 KiB
Go
package einograph
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import (
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"ai-agent/workflow/model/dto"
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"ai-agent/workflow/skill"
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"context"
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"fmt"
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"io"
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"net/http"
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"strings"
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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/cloudwego/eino/schema"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/gogf/gf/v2/util/gconv"
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)
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// 全局保存请求(最简单、最稳定、Eino 必不报错)
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var currentReq *dto.CreationInput
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// ==================== 1. 输入适配 ====================
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func InputAdaptLambda(ctx context.Context, input any) (any, error) {
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// 直接保存到全局
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req, ok := input.(*dto.CreationInput)
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if !ok {
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return nil, fmt.Errorf("input must be CreationInput")
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}
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currentReq = req
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return input, nil
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}
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// ==================== 2. 构建Prompt ====================
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func BuildPromptLambda(ctx context.Context, input any) (any, error) {
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req, ok := input.(*dto.CreationInput)
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if !ok {
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return nil, fmt.Errorf("input must be CreationInput")
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}
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count := req.Count
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if req.Count > 3 {
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req.Count = 3
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}
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imagePerPost := req.ImagePerPost
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if req.ImagePerPost > 3 {
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imagePerPost = 3
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}
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var imgPlaceholder strings.Builder
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for i := 1; i <= imagePerPost; i++ {
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imgPlaceholder.WriteString(fmt.Sprintf(`<div class="img-box"><img src="{{IMG_URL_%d}}"></div>`, i))
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}
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mode := req.Mode
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// 核心:先用 embed 读取技能文案(完全不依赖运行目录)
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skillContent, err := skill.ReadSkillMD()
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prompt := ""
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if len(skillContent) != 0 && err == nil {
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prompt = skillContent
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}
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// 根据模式拼接(动态图片数量 + 动态比例 + 严格数量控制)
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switch mode {
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case "混合模式(文案 + 图片)":
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s1 := `1. 整个输出只能有 %d 个 <html> 标签和 %d 个</html> 标签`
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var a = fmt.Sprintf(`%s%d%d`, s1, count, count)
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s2 := `2. 生成完成后立即停止,不续写、不扩展、不重复
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3. 不要输出任何解释、前言、后语
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4. 只输出纯HTML代码
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5. 内容绝对不能重复!`
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var b = fmt.Sprintf(`%s%s`, a, s2)
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s3 := `6. 多个HTML文件之间必须用 --- 分隔,分隔符前后不能有任何多余文字!`
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if count > 1 {
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b = fmt.Sprintf(`%s%s`, b, s3)
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}
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prompt = fmt.Sprintf(`%s
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【🔴 最高优先级强制规则】
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%s
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【📄 HTML结构强制模板】
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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* { margin:0; padding:0; box-sizing:border-box; font-family:system-ui, -apple-system, sans-serif; }
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body { background:#F0F2F5; padding:16px; }
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.card { background:#fff; border-radius:16px; padding:18px; max-width:500px; margin:0 auto; }
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.title { font-size:22px; font-weight:700; margin-bottom:14px; line-height:1.4; }
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/* 动态图片比例:由参数决定 */
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.img-box {
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width:100%%;
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aspect-ratio:%s;
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border-radius:12px;
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overflow:hidden;
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margin-bottom:14px;
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}
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.img-box img { width:100%%; height:100%%; object-fit:cover; display:block; }
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.content { font-size:16px; line-height:1.7; color:#333; margin-bottom:20px; }
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.content p { margin:8px 0; }
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.tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }
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.tag { background:#f5f5f5; padding:6px 12px; border-radius:20px; font-size:14px; color:#666; }
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</style>
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</head>
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<body>
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<div class="card">
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<h2 class="title">%s</h2>
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<!-- 图片数量由前端参数决定,直接使用传入的图片,不准修改 -->
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%s
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<div class="content">
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请按照小红书风格创作文案:分段清晰、使用emoji、重点内容加粗、排版美观
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</div>
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<div class="tags">
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<span class="tag">#干货分享</span>
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<span class="tag">#实用技巧</span>
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<span class="tag">#知识科普</span>
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</div>
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</div>
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</body>
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</html>
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【📌 必须遵守的细节规则】
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1. 所有图片必须使用 .img-box 容器,不变形、不拉伸。
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2. 文案必须分段清晰、美观、小红书风格、使用emoji、重点内容加粗,排版符合小红书风格。
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3. 图片占位符里有几张图,就生成几张,不要自己额外添加或删除。
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4. 标签自动根据主题生成,无需外部参数。
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内容信息:
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主题:%s
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标题:%s
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风格:%s
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`,
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prompt,
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b,
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req.ImageRatio,
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req.Title,
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imgPlaceholder.String(), // 你传入的图片(多张自动适配)
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req.Theme,
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req.Title,
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req.Style,
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)
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case "纯文案模式":
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s1 := `1. 整个输出只能有 %d 个 <html> 标签和 %d 个</html> 标签`
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var a = fmt.Sprintf(`%s%d%d`, s1, count, count)
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s2 := `2. 生成完成后立即停止,不续写、不扩展、不重复
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3. 不要输出任何解释、前言、后语
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4. 只输出纯HTML代码
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5. 内容绝对不能重复!`
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var b = fmt.Sprintf(`%s%s`, a, s2)
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s3 := `6. 多个HTML文件之间必须用 --- 分隔,分隔符前后不能有任何多余文字!`
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if count > 1 {
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b = fmt.Sprintf(`%s%s`, b, s3)
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}
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prompt = fmt.Sprintf(`%s
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【🔴 最高优先级强制规则】
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%s
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【📄 HTML结构强制模板】
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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* { margin:0; padding:0; box-sizing:border-box; font-family:system-ui, -apple-system, sans-serif; }
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body { background:#F0F2F5; padding:16px; }
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.card { background:#fff; border-radius:16px; padding:18px; max-width:500px; margin:0 auto; }
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.title { font-size:22px; font-weight:700; margin-bottom:14px; }
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.content { font-size:16px; line-height:1.7; color:#333; margin-bottom:20px; }
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.tags { display:flex; flex-wrap:wrap; gap:8px; }
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.tag { background:#f5f5f5; padding:6px 12px; border-radius:20px; font-size:14px; color:#666; }
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</style>
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</head>
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<body>
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<div class="card">
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<h2 class="title">%s</h2>
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<div class="content">按照小红书风格创作文案:分段+emoji+重点加粗,排版美观</div>
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<div class="tags">
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<span class="tag">#干货分享</span>
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<span class="tag">#实用技巧</span>
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</div>
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</div>
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</body>
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</html>
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【📌 必须遵守的细节规则】
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2. 必须分段清晰、美观、小红书风格、使用emoji、重点内容加粗,排版符合小红书风格。
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3. 标签自动根据主题生成,无需外部参数。
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内容:主题=%s,标题=%s,风格=%s
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`,
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prompt,
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b,
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req.Title,
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req.Theme,
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req.Title,
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req.Style,
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)
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case "纯图片模式":
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s1 := `1. 必须**严格且只能生成 %d 组绘图关键词**,绝对不能多生成一组,也不能少生成一组!`
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var a = fmt.Sprintf(`%s%d`, s1, count)
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s2 := `2. 生成完成后立即停止,不续写、不扩展、不重复
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3. 所有输出内容只能是关键词本身,**绝对不能出现任何解释、说明、额外文字**!
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4. 内容绝对不能重复!`
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var b = fmt.Sprintf(`%s%s`, a, s2)
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s3 := `5. 多组关键词之间必须用 --- 分隔,分隔符前后不能有任何多余文字!`
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if count > 1 {
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b = fmt.Sprintf(`%s%s`, b, s3)
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}
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prompt = fmt.Sprintf(`%s
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【🔴 最高优先级强制规则】
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%s
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内容:主题:%s,比例:%s,风格:%s
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`,
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prompt,
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b,
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req.Theme,
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req.ImageRatio,
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req.Style,
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)
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default:
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return nil, fmt.Errorf("不支持模式")
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}
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if !g.IsEmpty(req.Desc) {
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prompt = fmt.Sprintf(`%s,要求:%s`, prompt, req.Desc)
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}
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return []*schema.Message{schema.UserMessage(prompt)}, nil
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}
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// ==================== 4. 生成+上传(完全不解析input!) ====================
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func GenerateImageLambda(ctx context.Context, input any) (any, error) {
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msg, ok := input.(*schema.Message)
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if !ok {
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return nil, fmt.Errorf("input must be *schema.Message")
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}
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optimizedText := strings.TrimSpace(msg.Content)
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list := strings.Split(optimizedText, "---")
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var items []string
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for _, s := range list {
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if s = strings.TrimSpace(s); s != "" {
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items = append(items, s)
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}
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}
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imgAddressPrefix, err := utils.GetFileAddressPrefix(ctx)
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if err != nil {
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return nil, err
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}
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mode := currentReq.Mode
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imagePerPost := currentReq.ImagePerPost
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if currentReq.ImagePerPost > 3 {
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imagePerPost = 3
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}
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// ==============================================
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// ✅ 核心修复:构建正确的绘图关键词(主题+标题+风格+比例)
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// ==============================================
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prompt := fmt.Sprintf(
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"%s,%s,%s,风格:%s,比例:%s",
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currentReq.ContentType,
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currentReq.Theme,
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currentReq.Title,
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currentReq.Style,
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currentReq.ImageRatio,
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)
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if !g.IsEmpty(currentReq.Desc) {
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prompt = fmt.Sprintf(`%s,要求:%s`, prompt, currentReq.Desc)
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}
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// 初始化返回结果
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var output dto.CreationOutput
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for idx, item := range items {
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base := fmt.Sprintf("%s_%d", currentReq.Title, idx+1)
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dir := currentReq.Theme
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num := imagePerPost
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var uploadItem dto.ImageUploadItem
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uploadItem.Title = currentReq.Title
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uploadItem.Index = idx + 1
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uploadItem.Theme = currentReq.Theme
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uploadItem.ContentType = currentReq.ContentType
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switch mode {
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case "混合模式(文案 + 图片)":
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// 生成并上传多张图片
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var imageUrls []string
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imgMap := make(map[int]string)
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for i := 1; i <= num; i++ {
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url, _ := GenerateRealImage(prompt)
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imageUrls = append(imageUrls, url) // 收集图片URL
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bs, _ := getImageBytesFromURL(url)
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uploadResp, err := Upload(ctx, &dto.UploadFileBytesReq{
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FileName: fmt.Sprintf("%s_%d.png", base, i),
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FileBytes: bs,
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FileStoreURL: dir,
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})
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// 如果Upload返回了最终访问URL,替换成真实返回值
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if err != nil {
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return nil, err
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}
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imageUrls[i-1] = uploadResp.FileURL
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imgMap[i] = uploadResp.FileURL
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}
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uploadItem.ImageUrls = imageUrls // 存入结构体
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// 替换HTML
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final := item
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if imagePerPost > 1 {
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for i := 1; i <= num; i++ {
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final = strings.ReplaceAll(final, fmt.Sprintf("{{IMG_URL_%d}}", i), imgAddressPrefix+imgMap[i])
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}
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} else {
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for i := 1; i <= num; i++ {
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final = strings.ReplaceAll(final, fmt.Sprintf("{{IMG_URL_%d}}", idx+1), imgAddressPrefix+imgMap[i])
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}
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}
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htmlUploadResp, err := Upload(ctx, &dto.UploadFileBytesReq{
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FileName: base + ".html",
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FileBytes: []byte(final),
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FileStoreURL: dir,
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})
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// 保存HTML上传地址
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if err != nil {
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return nil, err
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}
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uploadItem.HtmlFileUrl = htmlUploadResp.FileURL
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case "纯图片模式":
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var realImageUrls []string
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for i := 1; i <= num; i++ {
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tempUrl, _ := GenerateRealImage(prompt)
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bs, _ := getImageBytesFromURL(tempUrl)
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uploadResp, err := Upload(ctx, &dto.UploadFileBytesReq{
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FileName: fmt.Sprintf("%s_%d.png", base, i),
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FileBytes: bs,
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FileStoreURL: dir,
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})
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if err != nil {
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return nil, err
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}
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realImageUrls = append(realImageUrls, uploadResp.FileURL)
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}
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uploadItem.ImageUrls = realImageUrls
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case "纯文案模式":
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htmlResp, err := Upload(ctx, &dto.UploadFileBytesReq{
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FileName: base + ".html",
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FileBytes: []byte(item),
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FileStoreURL: dir,
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})
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if err != nil {
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return nil, err
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}
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uploadItem.HtmlFileUrl = htmlResp.FileURL
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}
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output.Items = append(output.Items, uploadItem)
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fmt.Printf("✅ 第%d条上传成功\n,html:%s\n图片:%s\n", idx+1, gconv.String(uploadItem.HtmlFileUrl), gconv.String(uploadItem.ImageUrls))
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}
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// 统计成功数量
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output.SuccessCount = len(output.Items)
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return output, nil
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}
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// ==================== 工具 ====================
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func getImageBytesFromURL(url string) ([]byte, error) {
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resp, err := http.Get(url)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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return io.ReadAll(resp.Body)
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}
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func Upload(ctx context.Context, req *dto.UploadFileBytesReq) (*dto.UploadFileBytesRes, 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.Header {
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headers[k] = v[0]
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}
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}
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res := &dto.UploadFileBytesRes{}
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err := commonHttp.Post(ctx, "oss/file/uploadFileBytes", headers, res, req)
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if err != nil {
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glog.Error(ctx, err)
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return nil, err
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}
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return res, nil
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}
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