fix(perm_role_edit) 修复编辑系统用户密码过长bug

1. 添加前端验证

close #173

templates/jperm/perm_role_edit.html

@@ -105,12 +105,16 @@ $('#roleForm').validator({
             tip: "输入系统用户名称",
             ok: "",
             msg: {required: "系统用户名称必填"}
+        },
+         "role_password": {
+            rule: "length[0~64]",
+            tip: "系统密码"
         },
         "role_key": {
             rule: "check_begin",
             ok: "",
             empty: true
-        },
+        }
 
     },
     valid: function(form) {