fix[utils]: param2Obj bug when url params includes ==(#3100)

src/utils/index.js

@@ -162,19 +162,21 @@ export function param(json) {
  * @returns {Object}
  */
 export function param2Obj(url) {
-  const search = url.split('?')[1]
-  if (!search) {
-    return {}
-  }
-  return JSON.parse(
-    '{"' +
-      decodeURIComponent(search)
-        .replace(/"/g, '\\"')
-        .replace(/&/g, '","')
-        .replace(/=/g, '":"')
-        .replace(/\+/g, ' ') +
-      '"}'
-  )
+    const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
+    if (!search) {
+        return {}
+    }
+    const obj = {}
+    const searchArr = search.split('&')
+    searchArr.forEach(v => {
+        const index = v.indexOf('=')
+        if (index !== -1) {
+            const name = v.substring(0, index)
+            const val = v.substring(index + 1, v.length)
+            obj[name] = val
+        }
+    })
+    return obj
 }
 
 /**