From e8575cc8e05b46f52f888bd19eafe84c5a973c19 Mon Sep 17 00:00:00 2001
From: guy <guy@finereport.com>
Date: Tue, 2 Mar 2021 23:05:39 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0beforeRender=E7=94=9F?=
 =?UTF-8?q?=E5=91=BD=E5=91=A8=E6=9C=9F=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
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---
 src/core/widget.js | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/core/widget.js b/src/core/widget.js
index f43bffce0..cce4c4b3f 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -59,9 +59,11 @@
             }
         },
 
+        // 生命周期函数
         beforeInit: null,
 
-        // 生命周期函数
+        beforeRender: null,
+
         beforeCreate: null,
 
         created: null,
@@ -94,14 +96,24 @@
         },
 
         _initRender: function () {
+            var self = this;
+
+            function render () {
+                if (self.options.beforeRender || self.beforeRender) {
+                    (self.options.beforeRender || self.beforeRender).call(this, BI.bind(self._render, this));
+                } else {
+                    self._render();
+                }
+            }
+
             if (this.options.beforeInit || this.beforeInit) {
                 this.__asking = true;
-                (this.options.beforeInit || this.beforeInit).call(this, BI.bind(this._render, this));
+                (this.options.beforeInit || this.beforeInit).call(this, render);
                 if (this.__asking === true) {
                     this.__async = true;
                 }
             } else {
-                this._render();
+                render();
             }
         },