AjaxResult重写put方法，以方便链式调用

ruoyi-common/src/main/java/com/ruoyi/common/core/domain/AjaxResult.java

@@ -179,4 +179,17 @@ public class AjaxResult extends HashMap<String, Object>
     {
         return new AjaxResult(Type.ERROR, msg, data);
     }
+
+    /**
+     * 方便链式调用
+     *
+     * @param key
+     * @param value
+     * @return
+     */
+    @Override
+    public AjaxResult put(String key, Object value) {
+        super.put(key, value);
+        return this;
+    }
 }