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Sharing examples of WeChat applet development and uploading pictures function

小云云
Release: 2018-03-17 14:03:44
Original
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This article mainly shares with you examples of WeChat applet development to upload pictures, hoping to help everyone.

1. Understandwx.chooseImage(OBJECT)


##2. Code programming

Create the uploadimg folder in the pages file

1. Write the page structure: uploadimg.wxml

<view class="container" style="padding:1rem;">
	<button type="primary"bindtap="chooseimage">获取图片</button> 
	<image src="{{tempFilePaths }}" mode="aspecFill" style="width: 100%; height: 450rpx;margin:1rem 0;"/>  
</view>
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2.Set data: uploadimg.js

# #

//获取应用实例  
var app = getApp()  
Page({
	data: {  
       tempFilePaths: &#39;&#39;, 
	},
	/** 
	 * 上传图片
	 */
	chooseimage: function () {  
		var _this = this;  
		wx.chooseImage({  
			count: 1, // 默认9  
			// 可以指定是原图还是压缩图,默认二者都有  
			sizeType: [&#39;original&#39;, &#39;compressed&#39;], 
			// 可以指定来源是相册还是相机,默认二者都有
			sourceType: [&#39;album&#39;, &#39;camera&#39;], 
		 // 返回选定照片的本地文件路径列表,tempFilePath可以作为img标签的src属性显示图片   
			success: function (res) {  
		
				_this.setData({  
				  tempFilePaths:res.tempFilePaths  
				})  
			}  
		})  
	}  
})
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#Related recommendations:

How to preview locally when uploading pictures##JS development WeChat official account uploads pictures to the local server

JS upload image implementation code

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