jslib-tools
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js工具库 封装常用的工具函数 如深拷贝 时间转换日期格式化、浏览器判断等，提高开发效率
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<h1 class="page-title">Source: export/exportXls.js</h1>
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<pre class="prettyprint source linenums"><code>/*
* @Author: zhangyu
* @Email: zhangdulin@outlook.com
* @Date: 2021-06-08 11:30:40
* @LastEditors: zhangyu
* @LastEditTime: 2021-06-10 17:59:15
* @Description:
*/
/**
* 删除对象里面value值为null的键值对
* @param {*} data 接口返回的blob数据
* @param {*} name excel名称
* @param {*} callBack 导出成功/失败回调 回调返回{type:fail/success} fail情况下 返回{ type: "fail", code, msg }
*/
export function exportXls(data, name = "jtools", callBack) {
if (!data || data.size == 0) {
callBack && callBack({ type: "fail", msg: "数据为空" });
return false;
}
const reader = new FileReader();
reader.readAsText(data, "utf-8");
reader.onload = (e) => {
try {
const { code, msg } = JSON.parse(reader.result);
if (code && code != 200) {
callBack && callBack({ type: "fail", code, msg });
return false;
} else {
_downFile(data, name);
}
callBack && callBack({ type: "success" });
} catch (error) {
_downFile(data, name);
callBack && callBack({ type: "success" });
}
};
}
function _downFile(data, fileName) {
const blob = new Blob([data], {
type: "application/vnd.ms-excel,charset=UTF-8"
});
if (window.navigator.msSaveOrOpenBlob) {
navigator.msSaveBlob(blob, fileName + ".xlsx");
} else {
var link = document.createElement("a");
link.href = window.URL.createObjectURL(blob);
link.download = fileName + ".xlsx";
link.click();
window.URL.revokeObjectURL(link.href);
}
}
</code></pre>
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