day08获取图片

wxml:

<!--pages/publish/publish.wxml-->
<text>pages/publish/publish.wxml</text>
<view bindtap="uploadImage">请上传图片</view>
<view class="container">
   <image wx:for="{{imageList}}" wx:key="key" src="{{item}}"></image>
</view>

js:

data: {
    imageList:["/pages/static/flower.jpg","/pages/static/horse.jpg"]
  },
  uploadImage:function(){
    var that=this;
    wx.chooseImage({
      count:,
      sizeType:['original','compressed'],
      sourceType:['album','camera'],
      success:function(res){
        //设置imagelist，页面上图片自动修改
        that.setData({
          imageList:res.tempFilePaths
        });
        //默认图片+选择的图片
        that.setData({
          imageList:that.data.imageList.concat(res.tempFilePaths)
        })
      }
    })
  },

===========================总结========================
事件：
 1.bindtap  可以理解成点击事件
api：
1、navigateTo
     wx.navigateTo({
         url:'/pages/redirect/redirect?id='+nid
　　　　})
2、openSetting
     wx.openSetting({})
3、getUserInfo
    wx.getUserInfo({
      success:function(res){
        console.log(res)
      }
     })
  注意：结合button按钮实现
4、chooseLocation
   wx.chooseLocation({
     success:function(res){
    }
   }),
5、chooseImage
   wx.chooseImage({
    count:9,
    sizeType:['original','compressed'],
    sourceType:['album','camera'],
    success:function(res){}
  })
数据绑定
for指令
注意：setData+that