微信小程序開發(fā)之相冊選擇和拍照詳解及實例代碼

Page({
 data: {
  tempFilePaths: ''
 },
 onLoad: function () {
 },
 chooseimage: function () {
  var that = this;
  wx.chooseImage({
   count: 1, // 默認9 
   sizeType: ['original', 'compressed'], // 可以指定是原圖還是壓縮圖，默認二者都有 
   sourceType: ['album', 'camera'], // 可以指定來源是相冊還是相機，默認二者都有 
   success: function (res) {
    // 返回選定照片的本地文件路徑列表，tempFilePath可以作為img標簽的src屬性顯示圖片 
    that.setData({
     tempFilePaths: res.tempFilePaths
    })
   }
  })

 },




})

Page({
 data: {
  tempFilePaths: ''
 },
 onLoad: function () {
 },
 chooseimage: function () {
  var that = this;
  wx.showActionSheet({
   itemList: ['從相冊中選擇', '拍照'],
   itemColor: "#CED63A",
   success: function (res) {
    if (!res.cancel) {
     if (res.tapIndex == 0) {
      that.chooseWxImage('album')
     } else if (res.tapIndex == 1) {
      that.chooseWxImage('camera')
     }
    }
   }
  })

 },

 chooseWxImage: function (type) {
  var that = this;
  wx.chooseImage({
   sizeType: ['original', 'compressed'],
   sourceType: [type],
   success: function (res) {
    console.log(res);
    that.setData({
     tempFilePaths: res.tempFilePaths[0],
    })
   }
  })
 }


}) 

<button  bindtap="chooseimage">獲取圖片</button>
<image src="{{tempFilePaths }}" catchTap="chooseImageTap" mode="aspectFit"  />