修复urldecode异常

pages/post/_id.vue

@@ -137,16 +137,58 @@ export default {
   methods: {
     decodeTitle(name) {
       try {
-        // return decodeURIComponent(name.replace(/[%]/g, function (m) {
+        return this.urldecode(name)
-        //   return '%' + m.charCodeAt(0).toString(16)
-        //   // Basically changes "%" to "%25".
-        // }))
-        return decodeURI(escape(name))
       } catch (err) {
         console.log(err)
         return name
       }
     },
+    urldecode(encodedString) {
+      let output = encodedString
+      let binVal, thisString
+      const myregexp = /(%[^%]{2})/
+      function utf8to16(str) {
+        let c
+        let char2, char3
+
+        let out = ''
+        const len = str.length
+        let i = 0
+        while (i < len) {
+          c = str.charCodeAt(i++)
+          switch (c >> 4) {
+            case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
+              out += str.charAt(i - 1)
+              break
+            case 12: case 13:
+              char2 = str.charCodeAt(i++)
+              out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F))
+              break
+            case 14:
+              char2 = str.charCodeAt(i++)
+              char3 = str.charCodeAt(i++)
+              out += String.fromCharCode(((c & 0x0F) << 12) |
+                ((char2 & 0x3F) << 6) |
+                ((char3 & 0x3F) << 0))
+              break
+          }
+        }
+        return out
+      }
+
+      let match = null
+      while ((match = myregexp.exec(output)) != null &&
+        match.length > 1 &&
+        match[1] !== '') {
+        binVal = parseInt(match[1].substr(1), 16)
+        thisString = String.fromCharCode(binVal)
+        output = output.replace(match[1], thisString)
+      }
+
+      output = output.replace(/\\+/g, ' ')
+      output = utf8to16(output)
+      return output
+    },
     articelRightTocClick() {
       const windowWidth = window.innerWidth || document.documentElement.clientWidth
       if (windowWidth < 768) {