[new feature] Uploader: add name prop (#3096)

packages/uploader/index.js

@@ -23,6 +23,14 @@ export default sfc({
     }
   },
 
+  computed: {
+    detail() {
+      return {
+        name: this.$attrs.name || ''
+      };
+    }
+  },
+
   methods: {
     onChange(event) {
       let { files } = event.target;
@@ -31,7 +39,7 @@ export default sfc({
       }
 
       files = files.length === 1 ? files[0] : [].slice.call(files, 0);
-      if (!files || (this.beforeRead && !this.beforeRead(files))) {
+      if (!files || (this.beforeRead && !this.beforeRead(files, this.detail))) {
         this.resetInput();
         return;
       }
@@ -82,7 +90,7 @@ export default sfc({
       if (oversize) {
         this.$emit('oversize', files);
       } else {
-        this.afterRead && this.afterRead(files);
+        this.afterRead && this.afterRead(files, this.detail);
       }
       this.resetInput();
     },