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src/directory.ts

+const fs = require("fs");
+const path = require("path");
+
+//创建文件目录
+export async function mkPath(uid, picName) {
+  let picPath;
+  let picType;
+  for (let i = 0; i < 2; i++) {
+    if ( i == 0 ) picType = `png/${picName}.png`;
+    if ( i > 0 ) picType = `psd/${picName}.psd`;
+    let date = new Date();
+    let imgFile = `${date.getFullYear()}${date.getMonth() + 1}${date.getDate()}`;
+    picPath = path.join(`res/${imgFile}/${uid}/${picType}`);
+    //转变成数组，如 ['res', 'imgFile', '1212']
+    let parts = picPath.split(path.sep);
+
+    for(let i = 1; i <= parts.length; i++) {
+      //重新拼接成 res res/imgFile res/imgFile/1212
+        let current = parts.slice(0, i).join(path.sep);
+        fs.access(current, (err) => {
+          if(err){
+            console.log("文件目录不存在")
+            fs.mkdir(current, (err) => {
+              if (err) {
+                console.log('创建文件目录失败');
+              } else {
+                  console.log('创建文件目录完成');
+              }
+            })
+          } else {
+            console.log('文件目录已存在')
+          }
+        })
+    }
+
+  }
+  console.log(picPath);
+  return picPath;
+}
+
+
+function test(uid, picName) {
+  // let suffix = picName.slice(picName.lastIndexOf("."));
+
+}