js:文章来源:https://uudwc.com/A/JGrJb
data: {
add:'0',
},
daan:function(){
const downloadTask = wx.downloadFile({
url: 'https://6363-ccs-6g4z452b9e86fd77-1305582300.tcb.qcloud.la/gsdaan/gs2/gs2/%E9%AB%98%E7%AD%89%E6%95%B0%E5%AD%A6%E5%90%8C%E6%B5%8E%E7%AC%AC%E4%B8%83%E7%89%88%E4%B8%8B%E5%86%8C%E4%B9%A0%E9%A2%98%E5%85%A8%E8%A7%A3%E6%8C%87%E5%8D%97%20(1).pdf?sign=31962fd5102ac30d5a73eceeda62e2e2&t=1670580319', //要预览的PDF的地址
success: function (res) {
if (res.statusCode === 200) { //成功
var Path = res.tempFilePath //返回的文件临时地址,用于后面打开本地预览所用
wx.openDocument({
filePath: Path, //要打开的文件路径
success: function (res) {
wx.hideLoading()
console.log('打开PDF成功');
}
})
}
},
fail: function (res) {
wx.showToast({
title: '加载失败',
})
}
})
//进度条
downloadTask.onProgressUpdate((res)=>{
if (res.progress === 100) {
this.setData({
add: '100'
});
return
} else {
wx.showLoading({
title: `正在进入...${res.progress}%`,
})
this.setData({
add: res.progress
});
}
})
}
.wxml文章来源地址https://uudwc.com/A/JGrJb
<text class="title">正在进入:{{add}}%</text>