微信小程序 下载文档并预览 ppt excel word
<button class=\'skblue_bg\' data-url="http://172.168.1.153:8030/tax/specialDeduction/specialAdditionalDeductionExport?year=2019" data-type="excel" catchtap=\'downloadFile\'>下载</button>
下载按钮如上
downloadFile: function (e) {
console.log(e);
let type = e.currentTarget.dataset.type;
let url = e.currentTarget.dataset.url;
switch (type) {
case "pdf":
url += \'pdf\';
break;
case "word":
url += \'docx\';
break;
case "excel":
url += \'xlsx\';
break;
default:
url += \'pptx\';
break;
}
wx.downloadFile({
url: url,
header: {
"productCode": \'wgs-wechat\',
"token": wx.getStorageSync(\'token\'),
},
success: function (res) {
console.log(res)
var filePath = res.tempFilePath;
console.log(filePath);
wx.openDocument({
fileType: \'xlsx\',
filePath: filePath,
success: function (res) {
console.log(\'打开文档成功\')
},
fail: function (res) {
console.log(res);
},
complete: function (res) {
console.log(res);
}
})
},
fail: function (res) {
console.log(\'文件下载失败\');
},
complete: function (res) { },
})
},
注意 fileType: \'xlsx\', 必须要写 不然会找不到类型 此例子是 下载 表格