//調用相冊等選擇圖片，得到圖片的相對路勁
up_img: function () {
        var that = this;
        wx.chooseImage({
            count: 1, // 默認9
            sizeType: [‘compressed‘],
            sourceType: [‘album‘, ‘camera‘],
            success: function (res) {
                var tempFilePaths = res.tempFilePaths;
                upload(that, tempFilePaths);
            }
        })
    }
 

//把圖片上傳到服務器
function upload(page, path) {
    wx.showToast({
        icon: "loading",
        title: "正在上傳"
    }),
        wx.uploadFile({
            url: app.globalData.url + ‘index.php?g=api&m=api&a=img_upload_api‘,
            filePath: path[0],
            name: ‘file‘,
            formData: {

                openid: wx.getStorageSync(
 
‘openid‘),
                is_type: 1
            },
            success: function (res) {
                if (res.statusCode != 200) {
                    wx.showModal({
                        title: ‘提示‘,
                        content: ‘上傳失敗‘,
                        showCancel: false
                    })
                    
 
return;
                }

                var res_data = JSON.parse(res.data);

                // poster_src = res_data.data;

                page.setData({
                    poster_src: res_data.data
                });
            },
            fail: function (e) {
                console.log(e);
                wx.showModal({
                    title: ‘提示‘,
                    content: ‘上傳失敗‘,
                    showCancel: false
                })
            },
            complete: function () {
                wx.hideToast();  //隱藏Toast
            }
        });
}

小程序之圖片上傳