/**
* 选择图片上传服务器
* num 允许传几张
*/
const uploadImg =
function(num, onlyCam =
false) {
return new Promise((resolve, reject) =>
{
wx.chooseImage({
count: num,
sizeType: ['compressed'],
// 可以指定是原图还是压缩图，默认二者都有 'original',
sourceType: onlyCam ? ['camera'] : ['album', 'camera'
],
success: function(pic) {
let g_data =
getApp()
let address =
g_data.server_address;
let upImg =
[]
wx.showLoading({
title: '上传中'
,
mask: true,
icon: 'none'
,
})
pic.tempFilePaths.forEach((list, index) =>
{
upImg[index] =
new Promise((resSing, rejSing) =>
{
wx.uploadFile({
url: `${address}/WxFile/
UploadImg`,
filePath: list,
header: {
"Content-Type": "multipart/form-data"
},
name: 'Image'
,
success: function(res) {
let res_data =
res.data;
let brand =
g_data.globalData.system_info.brand;
if(brand == 'iPhone'
) {
console.log('苹果：'
, res_data)
res_data = res_data.replace(/\\/g, ''
);
} else {
console.log('其他：：'
, res_data)
}
res_data = res_data.substring(res_data.indexOf('{'), res_data.lastIndexOf('}') + 1
);
res_data =
JSON.parse(res_data);
if(res_data.Stat != 1
) {
return rejSing()
}
resSing(res_data.Data)
},
fail: function(err) {
rejSing(err)
}
});
})
})
//上传完图片才reject数据 (resAll返回的是一个数组)
Promise.all(upImg).then((resAll) =>
{
wx.hideLoading()
resolve(resAll)
}).catch((errAll) =>
{
wx.hideLoading()
wx.showToast({
title: '上传失败'
,
icon: 'none'
})
reject()
})
},
fail: function(err) {
if(err.errMsg === "chooseImage:fail cancel"
) {
reject()
} else {
wx.showToast({
title: '上传失败'
,
icon: 'none'
})
reject()
}
}
});
})
}
// 图片预览 ind：当前浏览索引 list：需要预览的图片数组
const picBroser =
function(ind, list) {
wx.previewImage({
current: ind, // 当前显示图片的http链接
urls: list
// 需要预览的图片http链接列表
})
}
转载于:https://www.cnblogs.com/YAN-HUA/p/10557643.html
相关资源：JAVA上百实例源码以及开源项目
