add wx:key=index

didi · Dec 2, 2024 · acbd41e · acbd41e
1 parent e0d0ba4
commit acbd41e
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/packages/core/src/platform/builtInMixins/directiveHelperMixin.ios.js b/packages/core/src/platform/builtInMixins/directiveHelperMixin.ios.js
@@ -1,7 +1,10 @@
 export default function directiveHelperMixin () {
   return {
     methods: {
-      __getWxKey (item, key) {
+      __getWxKey (item, key, index) {
+        if (key === 'index') {
+          return index
+        }
         return key === '*this' ? item : item[key]
       }
     }

diff --git a/packages/webpack-plugin/lib/template-compiler/compiler.js b/packages/webpack-plugin/lib/template-compiler/compiler.js
@@ -1922,7 +1922,7 @@ function postProcessFor (el) {
 function postProcessForReact (el) {
   if (el.for) {
     if (el.for.key) {
-      addExp(el, `this.__getWxKey(${el.for.item || 'item'}, ${stringify(el.for.key)})`, false, 'key')
+      addExp(el, `this.__getWxKey(${el.for.item || 'item'}, ${stringify(el.for.key)}, ${el.for.index || 'index'})`, false, 'key')
       addAttrs(el, [{
         name: 'key',
         value: el.for.key