weixin_44545895的博客

根据ip获取当前城市

flutter打包运行报错异常

unique(arr1) { const res = new Map(); return arr1.filter((a) => !res.has(a.id) && res.set(a.id, 1)) }

window.addEventListener('beforeunload', () => { console.log("页面刷新了")})

<input type="file" value="" id="file" @change='onUpLogo'>onUpLogo(e){ console.log("触发上传事件！") var formData = new FormData(); formData.append('file', e.target.files[0]); upLogo(formData).then((res) => { // if..

//获取地址栏参数（不包括中文） function getQuery(name){ var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); var r = window.location.search.substr(1).match(reg);//从?之后开始匹配如getQuery(courseid)返回一个数组["courseid=8","","8","&",index:0...