From d4f640639059bbd7d1de5a5c10908a4a179b559a Mon Sep 17 00:00:00 2001
From: maiijy <maiijy@126.com>
Date: Mon, 2 Dec 2019 21:06:32 +0800
Subject: [PATCH] =?UTF-8?q?feat:Uploader=20=E5=8A=A0=E5=85=A5=E4=B8=8A?=
 =?UTF-8?q?=E4=BC=A0=E4=BA=91=E5=AD=98=E5=82=A8=E7=A4=BA=E4=BE=8B=20(#2430?=
 =?UTF-8?q?)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 example/pages/uploader/index.js   | 35 ++++++++++++++++++++--
 example/pages/uploader/index.wxml | 15 ++++++++++
 packages/uploader/README.md       | 48 +++++++++++++++++++++++++++----
 3 files changed, 91 insertions(+), 7 deletions(-)

diff --git a/example/pages/uploader/index.js b/example/pages/uploader/index.js
index 898df6d1..90a865c0 100644
--- a/example/pages/uploader/index.js
+++ b/example/pages/uploader/index.js
@@ -9,7 +9,9 @@ Page({
     ],
     fileList3: [{ url: 'https://img.yzcdn.cn/vant/sand.jpg' }],
     fileList4: [],
-    fileList5: []
+    fileList5: [],
+    fileList6: [],
+    cloudPath: []
   },
 
   beforeRead(event) {
@@ -40,5 +42,34 @@ Page({
     this.setData({ [`fileList${name}`]: fileList });
   },
 
-  clickPreview() {}
+  clickPreview() {},
+
+  uploadToCloud() {
+    wx.cloud.init();
+    const { fileList6: fileList = [] } = this.data;
+    if (!fileList.length) {
+      wx.showToast({ title: '请选择图片', icon: 'none' });
+    } else {
+      const uploadTasks = fileList.map((file, index) =>
+        this.uploadFilePromise(`my-photo${index}.png`, file)
+      );
+      Promise.all(uploadTasks)
+        .then(data => {
+          wx.showToast({ title: '上传成功', icon: 'none' });
+          const fileList = data.map(item => ({ url: item.fileID }));
+          this.setData({ cloudPath: data, fileList6: fileList });
+        })
+        .catch(e => {
+          wx.showToast({ title: '上传失败', icon: 'none' });
+          console.log(e);
+        });
+    }
+  },
+
+  uploadFilePromise(fileName, chooseResult) {
+    return wx.cloud.uploadFile({
+      cloudPath: fileName,
+      filePath: chooseResult.path
+    });
+  }
 });
diff --git a/example/pages/uploader/index.wxml b/example/pages/uploader/index.wxml
index 0997f38f..f6022828 100644
--- a/example/pages/uploader/index.wxml
+++ b/example/pages/uploader/index.wxml
@@ -56,3 +56,18 @@
     use-before-read="{{ true }}"
   />
 </demo-block>
+
+<demo-block title="云存储上传" padding>
+  <van-uploader
+    name="6"
+    file-list="{{ fileList6 }}"
+    bind:before-read="beforeRead"
+    bind:after-read="afterRead"
+    bind:delete="delete"
+    bind:click-preview="clickPreview"
+    use-before-read="{{ true }}"
+  />
+  <view class="demo-margin-bottom">
+    <van-button type="primary" bind:click="uploadToCloud">上传至云存储</van-button>
+  </view>
+</demo-block>
\ No newline at end of file
diff --git a/packages/uploader/README.md b/packages/uploader/README.md
index b2b5066c..90fb7692 100644
--- a/packages/uploader/README.md
+++ b/packages/uploader/README.md
@@ -39,8 +39,8 @@ Page({
         url: 'https://example.weixin.qq.com/upload', // 仅为示例，非真实的接口地址
         filePath: file.path,
         name: 'file',
-        formData: { 'user': 'test' },
-        success (res){
+        formData: { user: 'test' },
+        success(res) {
           // 上传完成需要更新 fileList
           const { fileList = [] } = this.data;
           fileList.push({ ...file, url: res.data });
@@ -67,7 +67,11 @@ Page({
       { url: 'https://img.yzcdn.cn/vant/leaf.jpg', name: '图片1' },
       // Uploader 根据文件后缀来判断是否为图片文件
       // 如果图片 URL 中不包含类型信息，可以添加 isImage 标记来声明
-      { url: 'http://iph.href.lu/60x60?text=default', name: '图片2', isImage: true }
+      {
+        url: 'http://iph.href.lu/60x60?text=default',
+        name: '图片2',
+        isImage: true
+      }
     ]
   }
 });
@@ -123,6 +127,41 @@ Page({
 });
 ```
 
+### 上传图片至云存储
+
+在开发中，可以利用小程序的云存储能力，将图片上传至云存储内。然后根据返回的 f`ileiId`来下载图片、删除图片和替换临时链接。
+
+```js
+// 上传图片
+uploadToCloud() {
+  wx.cloud.init();
+  const { fileList } = this.data;
+  if (!fileList.length) {
+    wx.showToast({ title: '请选择图片', icon: 'none' });
+  } else {
+    const uploadTasks = fileList.map((file, index) => this.uploadFilePromise(`my-photo${index}.png`, file));
+    Promise.all(uploadTasks)
+      .then(data => {
+        wx.showToast({ title: '上传成功', icon: 'none' });
+        const newFileList = data.map(item => { url: item.fileID });
+        this.setData({ cloudPath: data, fileList: newFileList });
+      })
+      .catch(e => {
+        wx.showToast({ title: '上传失败', icon: 'none' });
+        console.log(e);
+      });
+  }
+}
+
+uploadFilePromise(fileName, chooseResult) {
+  return wx.cloud.uploadFile({
+    cloudPath: fileName,
+    filePath: chooseResult.path
+  });
+}
+
+```
+
 ### Props
 
 | 参数 | 说明 | 类型 | 默认值 | 版本 |
@@ -141,7 +180,6 @@ Page({
 | max-count | 文件上传数量限制 | *number* | - | - |
 | upload-text | 上传区域文字提示 | *string* | - | - |
 | image-fit | 预览图裁剪模式，可选值参考小程序`image`组件的`mode`属性 | *string* | `scaleToFill` | - |
-
 ### Slot
 
 | 名称 | 说明 |
@@ -156,4 +194,4 @@ Page({
 | bind:after-read | 文件读取完成后的回调函数 | `event.detail.file`: 当前读取的文件 |
 | bind:oversize | 文件超出大小限制的回调函数 | - |
 | bind:click-preview | 点击预览图片的回调函数 | `event.detail.index`: 点击图片的序号值 |
-| bind:delete | 删除图片的回调函数 | `event.detail.index`: 删除图片的序号值 |
+| bind:delete | 删除图片的回调函数 | `event.detail.index`: 删除图片的序号值 |
\ No newline at end of file