zyc/video-flow-toon
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

新增视觉手册

Browse Source
This commit is contained in:
zhishi 2026-03-29 02:10:43 +08:00
parent 5832c261e4
commit ae8aa4fe63
8 changed files with 376 additions and 135 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
data/skills/art_prompts/chinese_sweet_romance/images/image Normal file
View File

@ -0,0 +1 @@
123123

0
data/skills/art_prompts/chinese_sweet_romance/images/image222 Normal file
View File

208
src/router.ts
View File

@ -1,4 +1,4 @@
// @routes-hash 9f9223eb87c107e9ece3145f1b4b254a // @routes-hash ebc81322f1e60446bf41d1ecb72f2b96
import { Express } from "express"; import { Express } from "express";
import route1 from "./routes/agents/clearMemory"; import route1 from "./routes/agents/clearMemory";
@ -65,56 +65,59 @@ import route61 from "./routes/production/workbench/getChatLines";
import route62 from "./routes/production/workbench/getVideoModelDetail"; import route62 from "./routes/production/workbench/getVideoModelDetail";
import route63 from "./routes/production/workbench/videoPolling"; import route63 from "./routes/production/workbench/videoPolling";
import route64 from "./routes/project/addProject"; import route64 from "./routes/project/addProject";
import route65 from "./routes/project/delProject"; import route65 from "./routes/project/addVisual";
import route66 from "./routes/project/editProject"; import route66 from "./routes/project/deleteVisualManual";
import route67 from "./routes/project/getProject"; import route67 from "./routes/project/delProject";
import route68 from "./routes/project/getVisualManual"; import route68 from "./routes/project/editProject";
import route69 from "./routes/project/visualManual"; import route69 from "./routes/project/editVisualManual";
import route70 from "./routes/script/addScript"; import route70 from "./routes/project/getProject";
import route71 from "./routes/script/delScript"; import route71 from "./routes/project/getVisualManual";
import route72 from "./routes/script/exportScript"; import route72 from "./routes/project/visualManual";
import route73 from "./routes/script/extractAssets"; import route73 from "./routes/script/addScript";
import route74 from "./routes/script/getScrptApi"; import route74 from "./routes/script/delScript";
import route75 from "./routes/script/pollScriptAssets"; import route75 from "./routes/script/exportScript";
import route76 from "./routes/script/updateScript"; import route76 from "./routes/script/extractAssets";
import route77 from "./routes/scriptAgent/getPlanData"; import route77 from "./routes/script/getScrptApi";
import route78 from "./routes/scriptAgent/setPlanData"; import route78 from "./routes/script/pollScriptAssets";
import route79 from "./routes/setting/about/checkUpdate"; import route79 from "./routes/script/updateScript";
import route80 from "./routes/setting/about/downloadApp"; import route80 from "./routes/scriptAgent/getPlanData";
import route81 from "./routes/setting/agentDeploy/agentSetKey"; import route81 from "./routes/scriptAgent/setPlanData";
import route82 from "./routes/setting/agentDeploy/deployAgentModel"; import route82 from "./routes/setting/about/checkUpdate";
import route83 from "./routes/setting/agentDeploy/getAgentDeploy"; import route83 from "./routes/setting/about/downloadApp";
import route84 from "./routes/setting/dbConfig/clearData"; import route84 from "./routes/setting/agentDeploy/agentSetKey";
import route85 from "./routes/setting/dev/getSwitchAiDevTool"; import route85 from "./routes/setting/agentDeploy/deployAgentModel";
import route86 from "./routes/setting/dev/updateSwitchAiDevTool"; import route86 from "./routes/setting/agentDeploy/getAgentDeploy";
import route87 from "./routes/setting/fileManagement/openFolder"; import route87 from "./routes/setting/dbConfig/clearData";
import route88 from "./routes/setting/getTextModel"; import route88 from "./routes/setting/dev/getSwitchAiDevTool";
import route89 from "./routes/setting/loginConfig/getUser"; import route89 from "./routes/setting/dev/updateSwitchAiDevTool";
import route90 from "./routes/setting/loginConfig/updateUserPwd"; import route90 from "./routes/setting/fileManagement/openFolder";
import route91 from "./routes/setting/memoryConfig/delAllMemory"; import route91 from "./routes/setting/getTextModel";
import route92 from "./routes/setting/memoryConfig/getMemory"; import route92 from "./routes/setting/loginConfig/getUser";
import route93 from "./routes/setting/memoryConfig/sureMemory"; import route93 from "./routes/setting/loginConfig/updateUserPwd";
import route94 from "./routes/setting/promptManage/getPrompt"; import route94 from "./routes/setting/memoryConfig/delAllMemory";
import route95 from "./routes/setting/promptManage/updatePrompt"; import route95 from "./routes/setting/memoryConfig/getMemory";
import route96 from "./routes/setting/skillManagement/backup/addSkill"; import route96 from "./routes/setting/memoryConfig/sureMemory";
import route97 from "./routes/setting/skillManagement/backup/deleteSkill"; import route97 from "./routes/setting/promptManage/getPrompt";
import route98 from "./routes/setting/skillManagement/backup/embeddingSkill"; import route98 from "./routes/setting/promptManage/updatePrompt";
import route99 from "./routes/setting/skillManagement/backup/generateDescription"; import route99 from "./routes/setting/skillManagement/backup/addSkill";
import route100 from "./routes/setting/skillManagement/backup/getSkillList"; import route100 from "./routes/setting/skillManagement/backup/deleteSkill";
import route101 from "./routes/setting/skillManagement/backup/scanSkills"; import route101 from "./routes/setting/skillManagement/backup/embeddingSkill";
import route102 from "./routes/setting/skillManagement/backup/updateSkill"; import route102 from "./routes/setting/skillManagement/backup/generateDescription";
import route103 from "./routes/setting/skillManagement/getSkillList"; import route103 from "./routes/setting/skillManagement/backup/getSkillList";
import route104 from "./routes/setting/vendorConfig/addVendor"; import route104 from "./routes/setting/skillManagement/backup/scanSkills";
import route105 from "./routes/setting/vendorConfig/deleteVendor"; import route105 from "./routes/setting/skillManagement/backup/updateSkill";
import route106 from "./routes/setting/vendorConfig/getVendorList"; import route106 from "./routes/setting/skillManagement/getSkillList";
import route107 from "./routes/setting/vendorConfig/modelTest"; import route107 from "./routes/setting/vendorConfig/addVendor";
import route108 from "./routes/setting/vendorConfig/updateCode"; import route108 from "./routes/setting/vendorConfig/deleteVendor";
import route109 from "./routes/setting/vendorConfig/updateVendor"; import route109 from "./routes/setting/vendorConfig/getVendorList";
import route110 from "./routes/task/getProject"; import route110 from "./routes/setting/vendorConfig/modelTest";
import route111 from "./routes/task/getTaskApi"; import route111 from "./routes/setting/vendorConfig/updateCode";
import route112 from "./routes/task/getTaskCategories"; import route112 from "./routes/setting/vendorConfig/updateVendor";
import route113 from "./routes/task/taskDetails"; import route113 from "./routes/task/getProject";
import route114 from "./routes/test/test"; import route114 from "./routes/task/getTaskApi";
import route115 from "./routes/task/getTaskCategories";
import route116 from "./routes/task/taskDetails";
import route117 from "./routes/test/test";
export default async (app: Express) => { export default async (app: Express) => {
app.use("/api/agents/clearMemory", route1); app.use("/api/agents/clearMemory", route1);
@ -181,54 +184,57 @@ export default async (app: Express) => {
app.use("/api/production/workbench/getVideoModelDetail", route62); app.use("/api/production/workbench/getVideoModelDetail", route62);
app.use("/api/production/workbench/videoPolling", route63); app.use("/api/production/workbench/videoPolling", route63);
app.use("/api/project/addProject", route64); app.use("/api/project/addProject", route64);
app.use("/api/project/delProject", route65); app.use("/api/project/addVisual", route65);
app.use("/api/project/editProject", route66); app.use("/api/project/deleteVisualManual", route66);
app.use("/api/project/getProject", route67); app.use("/api/project/delProject", route67);
app.use("/api/project/getVisualManual", route68); app.use("/api/project/editProject", route68);
app.use("/api/project/visualManual", route69); app.use("/api/project/editVisualManual", route69);
app.use("/api/script/addScript", route70); app.use("/api/project/getProject", route70);
app.use("/api/script/delScript", route71); app.use("/api/project/getVisualManual", route71);
app.use("/api/script/exportScript", route72); app.use("/api/project/visualManual", route72);
app.use("/api/script/extractAssets", route73); app.use("/api/script/addScript", route73);
app.use("/api/script/getScrptApi", route74); app.use("/api/script/delScript", route74);
app.use("/api/script/pollScriptAssets", route75); app.use("/api/script/exportScript", route75);
app.use("/api/script/updateScript", route76); app.use("/api/script/extractAssets", route76);
app.use("/api/scriptAgent/getPlanData", route77); app.use("/api/script/getScrptApi", route77);
app.use("/api/scriptAgent/setPlanData", route78); app.use("/api/script/pollScriptAssets", route78);
app.use("/api/setting/about/checkUpdate", route79); app.use("/api/script/updateScript", route79);
app.use("/api/setting/about/downloadApp", route80); app.use("/api/scriptAgent/getPlanData", route80);
app.use("/api/setting/agentDeploy/agentSetKey", route81); app.use("/api/scriptAgent/setPlanData", route81);
app.use("/api/setting/agentDeploy/deployAgentModel", route82); app.use("/api/setting/about/checkUpdate", route82);
app.use("/api/setting/agentDeploy/getAgentDeploy", route83); app.use("/api/setting/about/downloadApp", route83);
app.use("/api/setting/dbConfig/clearData", route84); app.use("/api/setting/agentDeploy/agentSetKey", route84);
app.use("/api/setting/dev/getSwitchAiDevTool", route85); app.use("/api/setting/agentDeploy/deployAgentModel", route85);
app.use("/api/setting/dev/updateSwitchAiDevTool", route86); app.use("/api/setting/agentDeploy/getAgentDeploy", route86);
app.use("/api/setting/fileManagement/openFolder", route87); app.use("/api/setting/dbConfig/clearData", route87);
app.use("/api/setting/getTextModel", route88); app.use("/api/setting/dev/getSwitchAiDevTool", route88);
app.use("/api/setting/loginConfig/getUser", route89); app.use("/api/setting/dev/updateSwitchAiDevTool", route89);
app.use("/api/setting/loginConfig/updateUserPwd", route90); app.use("/api/setting/fileManagement/openFolder", route90);
app.use("/api/setting/memoryConfig/delAllMemory", route91); app.use("/api/setting/getTextModel", route91);
app.use("/api/setting/memoryConfig/getMemory", route92); app.use("/api/setting/loginConfig/getUser", route92);
app.use("/api/setting/memoryConfig/sureMemory", route93); app.use("/api/setting/loginConfig/updateUserPwd", route93);
app.use("/api/setting/promptManage/getPrompt", route94); app.use("/api/setting/memoryConfig/delAllMemory", route94);
app.use("/api/setting/promptManage/updatePrompt", route95); app.use("/api/setting/memoryConfig/getMemory", route95);
app.use("/api/setting/skillManagement/backup/addSkill", route96); app.use("/api/setting/memoryConfig/sureMemory", route96);
app.use("/api/setting/skillManagement/backup/deleteSkill", route97); app.use("/api/setting/promptManage/getPrompt", route97);
app.use("/api/setting/skillManagement/backup/embeddingSkill", route98); app.use("/api/setting/promptManage/updatePrompt", route98);
app.use("/api/setting/skillManagement/backup/generateDescription", route99); app.use("/api/setting/skillManagement/backup/addSkill", route99);
app.use("/api/setting/skillManagement/backup/getSkillList", route100); app.use("/api/setting/skillManagement/backup/deleteSkill", route100);
app.use("/api/setting/skillManagement/backup/scanSkills", route101); app.use("/api/setting/skillManagement/backup/embeddingSkill", route101);
app.use("/api/setting/skillManagement/backup/updateSkill", route102); app.use("/api/setting/skillManagement/backup/generateDescription", route102);
app.use("/api/setting/skillManagement/getSkillList", route103); app.use("/api/setting/skillManagement/backup/getSkillList", route103);
app.use("/api/setting/vendorConfig/addVendor", route104); app.use("/api/setting/skillManagement/backup/scanSkills", route104);
app.use("/api/setting/vendorConfig/deleteVendor", route105); app.use("/api/setting/skillManagement/backup/updateSkill", route105);
app.use("/api/setting/vendorConfig/getVendorList", route106); app.use("/api/setting/skillManagement/getSkillList", route106);
app.use("/api/setting/vendorConfig/modelTest", route107); app.use("/api/setting/vendorConfig/addVendor", route107);
app.use("/api/setting/vendorConfig/updateCode", route108); app.use("/api/setting/vendorConfig/deleteVendor", route108);
app.use("/api/setting/vendorConfig/updateVendor", route109); app.use("/api/setting/vendorConfig/getVendorList", route109);
app.use("/api/task/getProject", route110); app.use("/api/setting/vendorConfig/modelTest", route110);
app.use("/api/task/getTaskApi", route111); app.use("/api/setting/vendorConfig/updateCode", route111);
app.use("/api/task/getTaskCategories", route112); app.use("/api/setting/vendorConfig/updateVendor", route112);
app.use("/api/task/taskDetails", route113); app.use("/api/task/getProject", route113);
app.use("/api/test/test", route114); app.use("/api/task/getTaskApi", route114);
app.use("/api/task/getTaskCategories", route115);
app.use("/api/task/taskDetails", route116);
app.use("/api/test/test", route117);
} }

85
src/routes/project/addVisual.ts Normal file
View File

@ -0,0 +1,85 @@
import express from "express";
import u from "@/utils";
import { success } from "@/lib/responseFormat";
import fs from "fs";
import path from "path";
import { validateFields } from "@/middleware/middleware";
import { z } from "zod";
const router = express.Router();
// 新增视觉手册
export default router.post(
"/",
validateFields({
name: z.string(),
image: z.string(),
data: z.array(
z.object({
label: z.string(),
value: z.string(),
data: z.string(),
}),
),
}),
async (req, res) => {
try {
const { name, image, data } = req.body as {
name: string;
image: string;
data: { label: string; value: string; data: string }[];
};
const mainPath = u.getPath(["skills", "art_prompts", name]);
// 将 image 写入 mainPath/images/image 文件（无后缀）
if (image) {
const imagesDir = path.join(mainPath, "images");
if (!fs.existsSync(imagesDir)) {
fs.mkdirSync(imagesDir, { recursive: true });
}
fs.writeFileSync(path.join(imagesDir, "image"), image, "utf-8");
}
// 字段映射表（与 getVisualManual 保持一致）
const DATA_MAP: { label: string; value: string; subDir?: string }[] = [
{ label: "README", value: "README" },
{ label: "前缀", value: "prefix" },
{ label: "角色", value: "art_character", subDir: "art_prompt" },
{ label: "角色衍生", value: "art_character_derivative", subDir: "art_prompt" },
{ label: "道具", value: "art_prop", subDir: "art_prompt" },
{ label: "道具衍生", value: "art_prop_derivative", subDir: "art_prompt" },
{ label: "场景", value: "art_scene", subDir: "art_prompt" },
{ label: "场景衍生", value: "art_scene_derivative", subDir: "art_prompt" },
{ label: "分镜", value: "art_storyboard", subDir: "art_prompt" },
{ label: "分镜视频", value: "art_storyboard_video", subDir: "art_prompt" },
{ label: "技法-导演规划", value: "director_planning", subDir: "driector_skills" },
{ label: "技法-分镜表设计", value: "director_storyboard_table", subDir: "driector_skills" },
];
// 根据 DATA_MAP 构建 value -> subDir 的映射
const SUB_DIR_MAP = new Map(DATA_MAP.map(({ value, subDir }) => [value, subDir ?? ""]));
// 合法的 value 值集合，用于校验
const VALID_KEYS = new Set(DATA_MAP.map(({ value }) => value));
for (const item of data) {
if (!VALID_KEYS.has(item.value)) continue;
const subDir = SUB_DIR_MAP.get(item.value)!;
const dirArr = subDir ? [mainPath, subDir] : [mainPath];
const filePath = u.getPath([...dirArr, `${item.value}.md`]);
const fileDir = path.dirname(filePath);
// 目录不存在时递归创建
if (!fs.existsSync(fileDir)) {
fs.mkdirSync(fileDir, { recursive: true });
}
fs.writeFileSync(filePath, item.data, "utf-8");
}
res.status(200).send(success());
} catch (err) {
res.status(500).send({ error: String(err) });
}
},
);

43
src/routes/project/deleteVisualManual.ts Normal file
View File

@ -0,0 +1,43 @@
import express from "express";
import u from "@/utils";
import fs from "fs";
import { z } from "zod";
import { success } from "@/lib/responseFormat";
import { validateFields } from "@/middleware/middleware";
const router = express.Router();
// 删除视觉手册
export default router.post(
"/",
validateFields({
name: z.string(),
}),
async (req, res) => {
try {
const { name } = req.body as { name: string };
// 安全校验：不允许包含路径分隔符、纯数字，防止越级删除或误删项目目录
if (name.includes("/") || name.includes("\\") || name === "." || name === ".." || /^\d+$/.test(name)) {
res.status(400).send({ error: "非法的名称" });
return;
}
const artPromptsDir = u.getPath(["skills", "art_prompts", name]);
// 1. 删除 skills/art_prompts 下的同名文件夹
if (fs.existsSync(artPromptsDir)) {
fs.rmSync(artPromptsDir, { recursive: true, force: true });
// 2. 删除 oss 下的同名文件夹（存放图片）
try {
await u.oss.deleteDirectory(name);
} catch {
// oss 下不存在该目录则忽略
}
}
res.status(200).send(success({ message: "删除成功" }));
} catch (err) {
res.status(500).send({ error: String(err) });
}
},
);

100
src/routes/project/editVisualManual.ts Normal file
View File

@ -0,0 +1,100 @@
import express from "express";
import u from "@/utils";
import { success } from "@/lib/responseFormat";
import fs from "fs";
import path from "path";
import { validateFields } from "@/middleware/middleware";
import { z } from "zod";
const router = express.Router();
// 编辑视觉手册
export default router.post(
"/",
validateFields({
name: z.string(),
images: z.array(z.string()),
data: z.array(
z.object({
label: z.string(),
value: z.string(),
data: z.string(),
}),
),
}),
async (req, res) => {
try {
const { name, images, data } = req.body as {
name: string;
images: string[];
data: { label: string; value: string; data: string }[];
};
if (/^\d+$/.test(name)) {
res.status(400).send({ error: "名称不能为纯数字" });
return;
}
const mainPath = u.getPath(["skills", "art_prompts", name]);
// 字段映射表（与 getVisualManual 保持一致）
const DATA_MAP: { label: string; value: string; subDir?: string }[] = [
{ label: "README", value: "README" },
{ label: "前缀", value: "prefix" },
{ label: "角色", value: "art_character", subDir: "art_prompt" },
{ label: "角色衍生", value: "art_character_derivative", subDir: "art_prompt" },
{ label: "道具", value: "art_prop", subDir: "art_prompt" },
{ label: "道具衍生", value: "art_prop_derivative", subDir: "art_prompt" },
{ label: "场景", value: "art_scene", subDir: "art_prompt" },
{ label: "场景衍生", value: "art_scene_derivative", subDir: "art_prompt" },
{ label: "分镜", value: "art_storyboard", subDir: "art_prompt" },
{ label: "分镜视频", value: "art_storyboard_video", subDir: "art_prompt" },
{ label: "技法-导演规划", value: "director_planning", subDir: "driector_skills" },
{ label: "技法-分镜表设计", value: "director_storyboard_table", subDir: "driector_skills" },
];
// 根据 DATA_MAP 构建 value -> subDir 的映射
const SUB_DIR_MAP = new Map(DATA_MAP.map(({ value, subDir }) => [value, subDir ?? ""]));
// 合法的 value 值集合，用于校验
const VALID_KEYS = new Set(DATA_MAP.map(({ value }) => value));
for (const item of data) {
if (!VALID_KEYS.has(item.value)) continue;
const subDir = SUB_DIR_MAP.get(item.value)!;
const dirArr = subDir ? [mainPath, subDir] : [mainPath];
const filePath = u.getPath([...dirArr, `${item.value}.md`]);
const fileDir = path.dirname(filePath);
// 目录不存在时递归创建
if (!fs.existsSync(fileDir)) {
fs.mkdirSync(fileDir, { recursive: true });
}
fs.writeFileSync(filePath, item.data, "utf-8");
}
const ossImagesDir = u.getPath(["oss", name]);
let existingFiles: string[] = [];
try {
const allFiles = fs.readdirSync(ossImagesDir);
existingFiles = allFiles.filter((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f));
} catch {}
const retainedFileNames = new Set(images.filter((item) => item.includes("http")).map((url) => path.basename(new URL(url).pathname)));
for (const file of existingFiles) {
if (!retainedFileNames.has(file)) {
await u.oss.deleteFile(`${name}/${file}`);
}
}
for (const item of images) {
if (!item.includes("http")) await u.oss.writeFile(`${name}/${u.uuid()}.jpg`, item);
}
res.status(200).send(success());
} catch (err) {
res.status(500).send({ error: String(err) });
}
},
);

68
src/routes/project/getVisualManual.ts
View File

@ -30,19 +30,19 @@ function readMd(filePath: string): string {
} }
} }
// 获取 images 文件夹第一张图片的 base64，无图片返回空字符串 // 获取 images 文件夹下所有图片文件路径列表
function readFirstImage(imagesDir: string): string { async function readAllImages(imagesDir: string) {
try { try {
const files = fs.readdirSync(imagesDir); const ossPath = u.getPath(["oss", imagesDir]);
const imgFile = files.find((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f)); const files = fs.readdirSync(ossPath);
if (!imgFile) return ""; const images = files.filter((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f)).map((f) => path.join(imagesDir, f));
const imgPath = path.join(imagesDir, imgFile); if (images.length) {
const ext = path.extname(imgFile).slice(1).toLowerCase(); return Promise.all(images.map(async (i) => await u.oss.getFileUrl(i)));
const mimeType = ext === "jpg" ? "jpeg" : ext; } else {
const base64 = fs.readFileSync(imgPath).toString("base64"); return [];
return `data:image/${mimeType};base64,${base64}`; }
} catch { } catch {
return ""; return [];
} }
} }
@ -57,32 +57,34 @@ export default router.post("/", async (req, res) => {
.filter((d) => d.isDirectory()) .filter((d) => d.isDirectory())
.map((d) => d.name); .map((d) => d.name);
const result = styleDirs.map((styleName) => { const result = await Promise.all(
const styleDir = path.join(artPromptsDir, styleName); styleDirs.map(async (styleName) => {
const imagesDir = path.join(styleDir, "images"); const styleDir = path.join(artPromptsDir, styleName);
const imagesDir = path.join(styleDir, "images");
const image = readFirstImage(imagesDir); const images = await readAllImages(styleName);
const data = DATA_MAP.map(({ label, value, subDir }) => {
let mdPath: string;
if (subDir) {
mdPath = path.join(styleDir, subDir, `${value}.md`);
} else {
mdPath = path.join(styleDir, `${value}.md`);
}
return {
label,
value,
data: readMd(mdPath),
};
});
const data = DATA_MAP.map(({ label, value, subDir }) => {
let mdPath: string;
if (subDir) {
mdPath = path.join(styleDir, subDir, `${value}.md`);
} else {
mdPath = path.join(styleDir, `${value}.md`);
}
return { return {
label, name: styleName,
value, image: images,
data: readMd(mdPath), data,
}; };
}); }),
);
return {
name: styleName,
image,
data,
};
});
res.status(200).send(success(result)); res.status(200).send(success(result));
} catch (err) { } catch (err) {
res.status(500).send({ error: String(err) }); res.status(500).send({ error: String(err) });

6
src/utils/oss.ts
View File

@ -144,7 +144,11 @@ class OSS {
const absPath = resolveSafeLocalPath(userRelPath, this.rootDir); const absPath = resolveSafeLocalPath(userRelPath, this.rootDir);
await fs.mkdir(path.dirname(absPath), { recursive: true }); await fs.mkdir(path.dirname(absPath), { recursive: true });
// 如果 data 是 string，则视为 base64 编码，先解码再写入 // 如果 data 是 string，则视为 base64 编码，先解码再写入
const buffer = typeof data === "string" ? Buffer.from(data, "base64") : data; // 自动去除可能存在的 Data URL 前缀（如 "data:image/png;base64,"）
const buffer =
typeof data === "string"
? Buffer.from(data.replace(/^data:[^;]+;base64,/, ""), "base64")
: data;
await fs.writeFile(absPath, buffer); await fs.writeFile(absPath, buffer);
} }