方式1：监听事件visibilitychangevarhiddenProperty=hiddenindocument?hidden:webkitHiddenindocument?webkitHidden:mozHiddenindocument?mozHidden:null;varvisibilityChangeEvent=hiddenProperty.replace(...阅读全文
admin @ 2021-11-15 阅读(68)
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/***请求接口返回内容*@paramstring$url[请求的URL地址]*@paramstring$params[请求的参数]*@paramint$ipost[是否采用POST形式]*@returnstring*/functionHttpRequest($url,$params=false,$ispost=0){$httpI...阅读全文
admin @ 2021-11-10 阅读(67)
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html<divid=djs></div>js代码<scripttype=text/javascript>TimeDown(djs,2022-11-120:00:00);</script>js封装/*时间倒计时插件TimeDown.js*/functionTimeDown(id,endDateStr){//结束...阅读全文
admin @ 2021-11-09 阅读(68)
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html<inputtype=textname=icovalue=id=imgicoplaceholder=测试>js多个document.getElementById(imgico).addEventListener(paste,function(e){clipboardData(e.clipboardData,{:url(upload/upfile)},#im...阅读全文
admin @ 2021-11-08 阅读(82)
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<!DOCTYPEhtml><html><head><metacharset=utf-8><title>post提交</title></head><body><iframeid=iframe_displayname=iframe_displaystyle=display:none...阅读全文
admin @ 2021-11-05 阅读(72)
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<!DOCTYPEhtml><htmlclass=animatedbounceInRight><head><metacharset=utf-8><title>梦雨原创</title><metaname=viewportcontent=width=device-width,minimum-scal...阅读全文
admin @ 2021-11-04 阅读(80)
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/***判断单双*1为单，0为双*@paramarray|integer$numbers*@returnint*/publicfunctionjudgeSingDual($numbers){if(is_array($numbers)){$total=0;foreach($numbersas$n){$total+=intval($n);}if($total%2==0){retu...阅读全文
admin @ 2021-10-30 阅读(98)
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请写出echo、print_r、print、var_dump、die之间的区别 echo 只能输出字符串等单一数据不能输出数据类型不能输出数组等多种数据 print() 只能输出字符串等单一数据不能输出数据类型...阅读全文
admin @ 2021-10-30 阅读(92)
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php替换多个字符串str_replace函数echostr_replace(array(m,i),array(n,z),mynameisjim!)输出：nynanezsjzn!echostr_replace(array(m,i),n,mynameisjim!);<?php$vowels=array(a,e,i,o,u,A,E,I,O,U);$onlycon...阅读全文
admin @ 2021-10-30 阅读(86)
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PHP提取字符串中的第一组数字$str=acc123nmnm4545;if(preg_match(/\d+/,$str,$arr)){echo$arr[0];}PHP提取字符串中的数字的其它方法第一种方法，使用正则表达式：functionfindNum($str=){$str=trim($str);if(...阅读全文
admin @ 2021-10-28 阅读(72)
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/***提取英文*@param$srchKeyword*/functiongetEN($srchKeyword){ $preg_repOne=array(/[-][a-zA-Z][0-9]/i,/[0-9]/i,/[a-zA-Z][0-9][-]/i,/[^\[0-9]da-zA-Z]/i,/\(|\)/,/\《|\》/,/\+|\-|\*|\//,/\{|\}/...阅读全文
admin @ 2021-10-28 阅读(83)
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functionfindNum($str=){$str=trim($str);if(empty($str)){return;}$temp=array(1,2,3,4,5,6,7,8,9,0);$result=;for($i=0;$i<strlen($str);$i++){if(in_array($str[$i],$temp)){$result.=$str[$i];}}return$resu...阅读全文
admin @ 2021-10-24 阅读(1831)
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