From 3ce5305890ee9207c588b182cf6f89103378e9e8 Mon Sep 17 00:00:00 2001
From: zgf <zenggaofeng2@h-partners.com>
Date: Fri, 26 Jul 2024 14:38:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=87=AA=E5=AE=9A=E4=B9=89?=
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Signed-off-by: zgf <zenggaofeng2@h-partners.com>
---
 entry/src/main/ets/pages/LoadStatePage.ets | 28 +++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/entry/src/main/ets/pages/LoadStatePage.ets b/entry/src/main/ets/pages/LoadStatePage.ets
index e863e7c..af8689a 100644
--- a/entry/src/main/ets/pages/LoadStatePage.ets
+++ b/entry/src/main/ets/pages/LoadStatePage.ets
@@ -36,6 +36,10 @@ struct LoadStatePage {
     },
     border: { radius: 50 }
   }
+  @State imageKnifeOption1: ImageKnifeOption = {
+    loadSrc: $r('app.media.startIcon')
+  }
+  @State message: string = ""
   @State currentWidth: number = 200
   @State currentHeight: number = 200
   @State typeValue: string = ""
@@ -78,11 +82,33 @@ struct LoadStatePage {
       Text(this.typeValue)
       ImageKnifeComponent({ imageKnifeOption: this.ImageKnifeOption }).height(this.currentHeight).width(this.currentWidth)
         .margin({ top: 20 })
-
+      Button("自定义下载失败").onClick(()=>{
+        this.imageKnifeOption1 = {
+          loadSrc: "abc",
+          placeholderSrc:$r('app.media.loading'),
+          errorholderSrc:$r('app.media.failed'),
+          customImage:custom,
+          onLoadListener: {
+            onLoadFailed:(err)=>{
+              this.message = "err:" + err
+            }
+          }
+        }
+      }).margin({ top: 20 })
+      Text(this.message).fontSize(20).margin({ top: 20 })
+      ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).height(this.currentHeight).width(this.currentWidth)
+        .margin({ top: 20 })
     }
 
     .width('100%')
     .height('100%')
   }
 
+}
+// 自定义下载方法
+@Concurrent
+async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
+  console.info("ImageKnife::  custom download：" + src)
+  // 举例写死从本地文件读取，也可以自己请求网络图片
+  return undefined
 }
\ No newline at end of file