Welcom to 评论 - lizhenqiu blog!
#761
#762
#763
<?php /** * PHP发送Json对象数据 * * @param $url 请求url * @param $jsonStr 发送的json字符串 * @return array */ function http_post_json($url, $jsonStr) { $ch = curl_init(); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonStr); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'Content-Type: application/json; charset=utf-8', 'Content-Length: ' . strlen($jsonStr) ) ); $response = curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); return array($httpCode, $response); } $url = "http://52php.cnblogs.com"; $jsonStr = json_encode(array('a' => 1, 'b' => 2, 'c' => 2)); list($returnCode, $returnContent) = http_post_json($url, $jsonStr);
#764
#765
#766
text-align: justify; word-break: break-word;
#767
<!DOCTYPE html> <html> <head> <title>网站正在建设中... </title> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <meta name="apple-mobile-web-app-capable" content="yes" /> <meta name="apple-mobile-web-app-status-bar-style" content="black" /> <meta name="format-detection" content="telephone=no" /> </head> <body> 网站正在建设中... </body> </html>
↑↓←→
#768
<link rel="stylesheet" href="css/message.css">
/* c-message组件样式 */ .c-message{ position:fixed; top:30px; left:50%; /* transform:translateX(-50%); */ padding-left:50px; padding-right:20px; height: 40px; line-height: 40px; background: #fff; min-width:200px; color:#666; box-shadow: 0 2px 4px rgba(0,0,0,.12), 0 0 6px rgba(0,0,0,.04); z-index:9999; } .c-message--icon{ color:#fff; width: 40px; height: 40px; text-align: center; position: absolute; left: 0; top: 0; line-height: 40px; } .c-message--success{ background:#13CE66 url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+Cjxzdmcgd2lkdGg9IjQwcHgiIGhlaWdodD0iNDBweCIgdmlld0JveD0iMCAwIDQwIDQwIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPCEtLSBHZW5lcmF0b3I6IFNrZXRjaCAzOS4xICgzMTcyMCkgLSBodHRwOi8vd3d3LmJvaGVtaWFuY29kaW5nLmNvbS9za2V0Y2ggLS0+CiAgICA8dGl0bGU+aWNvbl9zdWNjZXNzPC90aXRsZT4KICAgIDxkZXNjPkNyZWF0ZWQgd2l0aCBTa2V0Y2guPC9kZXNjPgogICAgPGRlZnM+PC9kZWZzPgogICAgPGcgaWQ9IkVsZW1lbnQtZ3VpZGVsaW5lLXYwLjIuNCIgc3Ryb2tlPSJub25lIiBzdHJva2Utd2lkdGg9IjEiIGZpbGw9Im5vbmUiIGZpbGwtcnVsZT0iZXZlbm9kZCI+CiAgICAgICAgPGcgaWQ9Ik1lc3NhZ2UiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC02MC4wMDAwMDAsIC0yMTIuMDAwMDAwKSI+CiAgICAgICAgICAgIDxnIGlkPSLluKblgL7lkJFf5L+h5oGvIiB0cmFuc2Zvcm09InRyYW5zbGF0ZSg2MC4wMDAwMDAsIDIxMi4wMDAwMDApIj4KICAgICAgICAgICAgICAgIDxnIGlkPSJSZWN0YW5nbGUtMiI+CiAgICAgICAgICAgICAgICAgICAgPGcgaWQ9Imljb25fc3VjY2VzcyI+CiAgICAgICAgICAgICAgICAgICAgICAgIDxyZWN0IGlkPSJSZWN0YW5nbGUtMiIgZmlsbD0iIzEzQ0U2NiIgeD0iMCIgeT0iMCIgd2lkdGg9IjQwIiBoZWlnaHQ9IjQwIj48L3JlY3Q+CiAgICAgICAgICAgICAgICAgICAgICAgIDxwYXRoIGQ9Ik0yNy44MjU1ODE0LDE3LjE0ODQzNTcgTDE5LjAxNzQ0LDI1LjgyODEyMTMgQzE4LjkwMTE2MDksMjUuOTQyNzA4MyAxOC43NjU1MDMzLDI2IDE4LjYxMDQ2NywyNiBDMTguNDU1NDI3LDI2IDE4LjMxOTc2OTMsMjUuOTQyNzA4MyAxOC4yMDM0ODY1LDI1LjgyODEyMTMgTDE4LjAyOTA3MTYsMjUuNjU2MjUgTDEzLjE3NDQxODYsMjAuODQzNzUgQzEzLjA1ODEzOTUsMjAuNzI5MTYzIDEzLDIwLjU5NTQ4MzcgMTMsMjAuNDQyNzA0NyBDMTMsMjAuMjg5OTI5MyAxMy4wNTgxMzk1LDIwLjE1NjI1IDEzLjE3NDQxODYsMjAuMDQxNjY2NyBMMTQuMzY2Mjc3MiwxOC44NjcxODU3IEMxNC40ODI1NiwxOC43NTI2MDIzIDE0LjYxODIxNzcsMTguNjk1MzEwNyAxNC43NzMyNTc3LDE4LjY5NTMxMDcgQzE0LjkyODI5NCwxOC42OTUzMTA3IDE1LjA2Mzk1MTYsMTguNzUyNjAyMyAxNS4xODAyMzA3LDE4Ljg2NzE4NTcgTDE4LjYxMDQ2NywyMi4yNzYwMzggTDI1LjgxOTc2OTMsMTUuMTcxODcxMyBDMjUuOTM2MDQ4NCwxNS4wNTcyODggMjYuMDcxNzA2LDE1IDI2LjIyNjc0MjMsMTUgQzI2LjM4MTc4MjMsMTUgMjYuNTE3NDQsMTUuMDU3Mjg4IDI2LjYzMzcyMjgsMTUuMTcxODcxMyBMMjcuODI1NTgxNCwxNi4zNDYzNTIzIEMyNy45NDE4NjA1LDE2LjQ2MDkzNTcgMjgsMTYuNTk0NjE1IDI4LDE2Ljc0NzM5NCBDMjgsMTYuOTAwMTczIDI3Ljk0MTg2MDUsMTcuMDMzODUyMyAyNy44MjU1ODE0LDE3LjE0ODQzNTcgTDI3LjgyNTU4MTQsMTcuMTQ4NDM1NyBaIiBpZD0iUGF0aCIgZmlsbD0iI0ZGRkZGRiI+PC9wYXRoPgogICAgICAgICAgICAgICAgICAgIDwvZz4KICAgICAgICAgICAgICAgIDwvZz4KICAgICAgICAgICAgPC9nPgogICAgICAgIDwvZz4KICAgIDwvZz4KPC9zdmc+) no-repeat 0 50%; } .c-message--error{ background:#FF4949 url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+Cjxzdmcgd2lkdGg9IjQwcHgiIGhlaWdodD0iNDBweCIgdmlld0JveD0iMCAwIDQwIDQwIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPCEtLSBHZW5lcmF0b3I6IFNrZXRjaCAzOS4xICgzMTcyMCkgLSBodHRwOi8vd3d3LmJvaGVtaWFuY29kaW5nLmNvbS9za2V0Y2ggLS0+CiAgICA8dGl0bGU+aWNvbl9kYW5nZXI8L3RpdGxlPgogICAgPGRlc2M+Q3JlYXRlZCB3aXRoIFNrZXRjaC48L2Rlc2M+CiAgICA8ZGVmcz48L2RlZnM+CiAgICA8ZyBpZD0iRWxlbWVudC1ndWlkZWxpbmUtdjAuMi40IiBzdHJva2U9Im5vbmUiIHN0cm9rZS13aWR0aD0iMSIgZmlsbD0ibm9uZSIgZmlsbC1ydWxlPSJldmVub2RkIj4KICAgICAgICA8ZyBpZD0iTWVzc2FnZSIgdHJhbnNmb3JtPSJ0cmFuc2xhdGUoLTYwLjAwMDAwMCwgLTMzMi4wMDAwMDApIj4KICAgICAgICAgICAgPGcgaWQ9IuW4puWAvuWQkV/kv6Hmga8iIHRyYW5zZm9ybT0idHJhbnNsYXRlKDYwLjAwMDAwMCwgMzMyLjAwMDAwMCkiPgogICAgICAgICAgICAgICAgPGcgaWQ9IlJlY3RhbmdsZS0yIj4KICAgICAgICAgICAgICAgICAgICA8ZyBpZD0iaWNvbl9kYW5nZXIiPgogICAgICAgICAgICAgICAgICAgICAgICA8cmVjdCBpZD0iUmVjdGFuZ2xlLTIiIGZpbGw9IiNGRjQ5NDkiIHg9IjAiIHk9IjAiIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCI+PC9yZWN0PgogICAgICAgICAgICAgICAgICAgICAgICA8cGF0aCBkPSJNMjUuODE3MjYyNywxNi4zNDUxNzk2IEMyNS45MzkwOTAyLDE2LjIyMzM0ODMgMjYsMTYuMDc2MTQxOCAyNiwxNS45MDM1NTIzIEMyNiwxNS43MzA5NjI4IDI1LjkzOTA5MDIsMTUuNTgzNzU2MyAyNS44MTcyNjI3LDE1LjQ2MTkyODkgTDI0LjUwNzYxNTcsMTQuMTgyNzQxMSBDMjQuMzg1Nzg4MiwxNC4wNjA5MTM3IDI0LjI0MzY1NzUsMTQgMjQuMDgxMjE5NiwxNCBDMjMuOTE4NzgxNywxNCAyMy43NzY2NTEsMTQuMDYwOTEzNyAyMy42NTQ4MjM1LDE0LjE4Mjc0MTEgTDIwLDE3LjgzNzU2MzUgTDE2LjMxNDcyMTYsMTQuMTgyNzQxMSBDMTYuMTkyODkwMiwxNC4wNjA5MTM3IDE2LjA1MDc1OTUsMTQgMTUuODg4MzIxNiwxNCBDMTUuNzI1ODg3NiwxNCAxNS41ODM3NTY5LDE0LjA2MDkxMzcgMTUuNDYxOTI5NCwxNC4xODI3NDExIEwxNC4xNTIyODI0LDE1LjQ2MTkyODkgQzE0LjA1MDc1ODIsMTUuNTgzNzU2MyAxNCwxNS43MzA5NjI4IDE0LDE1LjkwMzU1MjMgQzE0LDE2LjA3NjE0MTggMTQuMDUwNzU4MiwxNi4yMjMzNDgzIDE0LjE1MjI4MjQsMTYuMzQ1MTc5NiBMMTcuODM3NTYwOCwyMC4wMDAwMDE5IEwxNC4xNTIyODI0LDIzLjY1NDgyNDMgQzE0LjA1MDc1ODIsMjMuNzc2NjUxNyAxNCwyMy45MjM4NTgyIDE0LDI0LjA5NjQ0NzcgQzE0LDI0LjI2OTAzNzIgMTQuMDUwNzU4MiwyNC40MTYyNDM3IDE0LjE1MjI4MjQsMjQuNTM4MDcxMSBMMTUuNDYxOTI5NCwyNS44MTcyNTg5IEMxNS41ODM3NTY5LDI1LjkzOTA4NjMgMTUuNzI1ODg3NiwyNiAxNS44ODgzMjE2LDI2IEMxNi4wNTA3NTk1LDI2IDE2LjE5Mjg5MDIsMjUuOTM5MDg2MyAxNi4zMTQ3MjE2LDI1LjgxNzI1ODkgTDIwLDIyLjE2MjQzNjUgTDIzLjY1NDgyMzUsMjUuODE3MjU4OSBDMjMuNzc2NjUxLDI1LjkzOTA4NjMgMjMuOTE4NzgxNywyNiAyNC4wODEyMTk2LDI2IEMyNC4yNDM2NTc1LDI2IDI0LjM4NTc4ODIsMjUuOTM5MDg2MyAyNC41MDc2MTU3LDI1LjgxNzI1ODkgTDI1LjgxNzI2MjcsMjQuNTM4MDcxMSBDMjUuOTM5MDkwMiwyNC40MTYyNDM3IDI2LDI0LjI2OTAzNzIgMjYsMjQuMDk2NDQ3NyBDMjYsMjMuOTIzODU4MiAyNS45MzkwOTAyLDIzLjc3NjY1MTcgMjUuODE3MjYyNywyMy42NTQ4MjQzIEwyMi4xMzE5ODA0LDIwLjAwMDAwMTkgTDI1LjgxNzI2MjcsMTYuMzQ1MTc5NiBaIiBpZD0iUGF0aCIgZmlsbD0iI0ZGRkZGRiI+PC9wYXRoPgogICAgICAgICAgICAgICAgICAgIDwvZz4KICAgICAgICAgICAgICAgIDwvZz4KICAgICAgICAgICAgPC9nPgogICAgICAgIDwvZz4KICAgIDwvZz4KPC9zdmc+) no-repeat 0 50%; } .c-message--info{ background:#20A0FF url(data:image/svg+xml;base64,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) no-repeat 0 50%; } .c-message--warning{ background:#F7BA2A url(data:image/svg+xml;base64,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) no-repeat 0 50%; } .c-message--close{ position: absolute; right: 10px; color: #999; text-decoration: none; cursor: pointer; font-size: 30px; top: 0; line-height: 34px; display: block; height: 40px; } .c-message--close:hover{ color:#666; } @keyframes messageFadeInDown { 0% { -webkit-transform: translate3d(0,-100%,0); transform: translate3d(0,-100%,0) } 100% { -webkit-transform: none; transform: none } } .c-message.messageFadeInDown { -webkit-animation-duration: .6s; animation-duration: .6s; -webkit-animation-fill-mode: both; animation-fill-mode: both -webkit-animation-name: messageFadeInDown; animation-name: messageFadeInDown; } @keyframes messageFadeOutUp { 0% { opacity: 1 } 100% { opacity: 0; -webkit-transform: translateY(-100%); transform: translateY(-100%) } } .c-message.messageFadeOutUp { -webkit-animation-duration: .6s; animation-duration: .6s; -webkit-animation-fill-mode: both; animation-fill-mode: both -webkit-animation-name: messageFadeOutUp; animation-name: messageFadeOutUp } /* .c-message--tip{ text-align: center; } */
<script src="js/message.js"></script>
/** * 消息提示组件 * * 1.调用 * 字符串类型参数: $.message('成功'); * 对象型参数:$.message({}); * * 2.参数详解 * message:' 操作成功', //提示信息 time:'2000', //显示时间(默认:2s) type:'success', //显示类型,包括4种:success.error,info,warning showClose:false, //显示关闭按钮(默认:否) autoClose:true, //是否自动关闭(默认:是) * * type:success,error,info,warning */ $.extend({ message: function(options) { var defaults={ message:' 操作成功', time:'2000', type:'success', showClose:false, autoClose:true, onClose:function(){} }; if(typeof options === 'string'){ defaults.message=options; } if(typeof options === 'object'){ defaults=$.extend({},defaults,options); } //message模版 var templateClose=defaults.showClose?'<a class="c-message--close">×</a>':''; var template='<div class="c-message messageFadeInDown">'+ '<i class=" c-message--icon c-message--'+defaults.type+'"></i>'+ templateClose+ '<div class="c-message--tip">'+defaults.message+'</div>'+ '</div>'; var _this=this; var $body=$('body'); var $message=$(template); var timer; var closeFn,removeFn; //关闭 closeFn=function(){ $message.addClass('messageFadeOutUp'); $message.one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend',function(){ removeFn(); }) }; //移除 removeFn=function(){ $message.remove(); defaults.onClose(defaults); clearTimeout(timer); }; //移除所有 $('.c-message').remove(); $body.append($message); //居中 $message.css({ 'margin-left':'-'+$message.width()/2+'px' }) //去除动画类 $message.one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend',function(){ $message.removeClass('messageFadeInDown'); }); //点击关闭 $body.on('click','.c-message--close',function(e){ closeFn(); }); //自动关闭 if(defaults.autoClose){ timer=setTimeout(function(){ closeFn(); },defaults.time) } } });
$('.btn-success').on('click',function(){ $.message('成功'); }) $('.btn-danger').on('click',function(){ $.message({ message:'失败提示', type:'error' }); }) $('.btn-warning').on('click',function(){ $.message({ message:'警告提示', type:'warning' }); }) $('.btn-info').on('click',function(){ $.message({ message:'信息提醒', type:'info' }); })
message:' 操作成功', //提示信息 time:'2000', //显示时间(默认:2s) type:'success', //显示类型,包括4种:success.error,info,warning showClose:false, //显示关闭按钮(默认:否) autoClose:true, //是否自动关闭(默认:是)
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta http-equiv="X-UA-Compatible" content="IE=Edge"> <meta charset="UTF-8"> <link rel="stylesheet" type="text/css" href="https://out.img.pan.lizhenqiu.com/f4064d8eb781b350f1ba7d8ecb509352"> <link rel="stylesheet" href="https://out.img.pan.lizhenqiu.com/2800e1fd28b3bd7b7e595f3c79c14a54"> <style> /* 非组件样式 */ .btn{ margin-right:20px; } .p40{ padding:40px; } .mt20{ margin-top:20px; } </style> </head> <body> <div class="p40"> <p>点击调用提示</p> <button class="btn btn-success">成功提示</button> <button class="btn btn-danger">失败提示</button> <button class="btn btn-warning">警告提示</button> <button class="btn btn-info">信息提醒</button> </div> <div class="p40"> <p>调用方式:</p> <pre> $('.btn-success').on('click',function(){ $.message('成功'); }) $('.btn-danger').on('click',function(){ $.message({ message:'失败提示', type:'error' }); }) $('.btn-warning').on('click',function(){ $.message({ message:'警告提示', type:'warning' }); }) $('.btn-info').on('click',function(){ $.message({ message:'信息提醒', type:'info' }); }) </pre> <p class="mt20">参数详解:</p> <pre> message:' 操作成功', //提示信息 time:'2000', //显示时间(默认:2s) type:'success', //显示类型,包括4种:success.error,info,warning showClose:false, //显示关闭按钮(默认:否) autoClose:true, //是否自动关闭(默认:是) </pre> </div> <script src="https://lizhenqiu.com/templates/default/jquery.min.js"></script> <script src="https://out.img.pan.lizhenqiu.com/622e86b9b1eee72c2a30fe3ba54df713"></script> <script> $(function(){ $('.btn-success').on('click',function(){ $.message('成功'); }) $('.btn-danger').on('click',function(){ $.message({ message:'失败提示', type:'error' }); }) $('.btn-warning').on('click',function(){ $.message({ message:'警告提示', type:'warning' }); }) $('.btn-info').on('click',function(){ $.message({ message:'信息提醒', type:'info' }); }) }) </script> </body> </html>
#769
问题: 系统默认的alert弹框的title会默认显示网页域名 解决办法: (修改弹框样式) (function() { window.alert = function(name) { $(".tip").css("display", "block") $(".tip .content").html(name) } })() 调用:alert(name) 在页面中添加弹框元素,自定义其样式,默认隐藏 注:alert()方法重写,不能传多余参数 (仅去掉网址) (function(){ window.alert = function(name){ var iframe = document.createElement("IFRAME"); iframe.style.display="none"; iframe.setAttribute("src", 'data:text/plain'); document.documentElement.appendChild(iframe); window.frames[0].window.alert(name); iframe.parentNode.removeChild(iframe); } })(); alert('试一试');
#770
margin-right: -1px; border: 1px solid #d5d5d5;
#771
#772
#773
#774
#775
#776
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> span{ font-size: 12px; display: inline-block; -webkit-transform:scale(0.8); } </style> </head> <body> <span>测试10px</span> </body> </html>
/*通过input : -webkit-autofill来进行修改!*/ input:-webkit-autofill { background-color: #FAFFBD; background-image: none; color: #000; }
let array=[0,3,4,5,3,4,7,8,2,2,5,4,6,7,8,0,2,0,90]; [...new Set(array)]
[...new Set([1,3,4,5,1,2,3,3,4,8,90,3,0,5,4,0])]
[1,3,4,5,1,2,3,3,4,8,90,3,0,5,4,0].filter(function(elem,index,Array){ return index === Array.indexOf(elem); })
// 这些可以 'abc' === 'abc' // true 1 === 1 // true // 然而这些不行 [1,2,3] === [1,2,3] // false {a: 1} === {a: 1} // false {} === {} // false
const Greeters = [] for (var i = 0 ; i < 10 ; i++) { Greeters.push(function () { return console.log(i) }) } Greeters[0]() // 10 Greeters[1]() // 10 Greeters[2]() // 10
const Greeters = [] for (let i = 0 ; i < 10 ; i++) { Greeters.push(function () { return console.log(i) }) } Greeters[0]() // 0 Greeters[1]() // 1 Greeters[2]() // 2
Math.min() < Math.max() // false Math.min() > Math.max() // true //因为Math.min() 返回 Infinity, 而 Math.max()返回 -Infinity。
<form> <label for="male">Male</label> <input type="radio" name="sex" id="male" /> <br /> <label for="female">Female</label> <input type="radio" name="sex" id="female" /> </form>
<a href="https://www.baidu.com/favicon.ico" download >下载</a> <!-- 我们还可以指定文件名称,如下写法: --> <a href="tupiandizhi.jpg" download="baidu" ></a>
#777
#778
<?php echo'hello</br>'; echo'world!'; ?>
<?php echo'hello\n';//unix系统使用\n;windows系统下\r\n echo'world!'; ?>
(1)换行符就是另起一行 --- '\n' 10 换行(newline) (2)回车符就是回到一行的开头 --- '\r' 13 回车(return)
(1)在微软的MS-DOS和Windows中,使用“回车CR('\r')”和“换行LF('\n')”两个字符作为换行符; (2)Windows系统里面,每行结尾是 回车+换行(CR+LF),即“\r\n”; (3)Unix系统里,每行结尾只有 换行CR,即“\n”; (4)Mac系统里,每行结尾是 回车CR 即'\r'。
“Unix系统里,每行结尾只有 换行CR,即“\n”” 应该修改为: “Linux/Unix系统里,每行结尾只有 换行LF,即“\n””。 另外,其实很多人不知道 CR 和 LF 是什么的缩写: CR: 回车(Carriage Return) \r LF: 换行(Line Feed) \n
#779
确定要清除编辑框内容吗?
该删除操作将不可恢复。
删除 取消
激活Windows
转到"设置"以激活Windows。
#761
#762
#763
需要发送一个 http Content-Type头信息,即 “Content-Type: application/json; charset=utf-8”
<?php /** * PHP发送Json对象数据 * * @param $url 请求url * @param $jsonStr 发送的json字符串 * @return array */ function http_post_json($url, $jsonStr) { $ch = curl_init(); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonStr); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'Content-Type: application/json; charset=utf-8', 'Content-Length: ' . strlen($jsonStr) ) ); $response = curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); return array($httpCode, $response); } $url = "http://52php.cnblogs.com"; $jsonStr = json_encode(array('a' => 1, 'b' => 2, 'c' => 2)); list($returnCode, $returnContent) = http_post_json($url, $jsonStr);#764
#765
#766
text-align: justify; word-break: break-word;#767
<!DOCTYPE html> <html> <head> <title>网站正在建设中... </title> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <meta name="apple-mobile-web-app-capable" content="yes" /> <meta name="apple-mobile-web-app-status-bar-style" content="black" /> <meta name="format-detection" content="telephone=no" /> </head> <body> 网站正在建设中... </body> </html>↑↓←→#768
jQuery消息提示框插件点击调用
message.css
<link rel="stylesheet" href="css/message.css">/* c-message组件样式 */ .c-message{ position:fixed; top:30px; left:50%; /* transform:translateX(-50%); */ padding-left:50px; padding-right:20px; height: 40px; line-height: 40px; background: #fff; min-width:200px; color:#666; box-shadow: 0 2px 4px rgba(0,0,0,.12), 0 0 6px rgba(0,0,0,.04); z-index:9999; } .c-message--icon{ color:#fff; width: 40px; height: 40px; text-align: center; position: absolute; left: 0; top: 0; line-height: 40px; } .c-message--success{ background:#13CE66 url(data:image/svg+xml;base64,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) no-repeat 0 50%; } .c-message--error{ background:#FF4949 url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+Cjxzdmcgd2lkdGg9IjQwcHgiIGhlaWdodD0iNDBweCIgdmlld0JveD0iMCAwIDQwIDQwIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPCEtLSBHZW5lcmF0b3I6IFNrZXRjaCAzOS4xICgzMTcyMCkgLSBodHRwOi8vd3d3LmJvaGVtaWFuY29kaW5nLmNvbS9za2V0Y2ggLS0+CiAgICA8dGl0bGU+aWNvbl9kYW5nZXI8L3RpdGxlPgogICAgPGRlc2M+Q3JlYXRlZCB3aXRoIFNrZXRjaC48L2Rlc2M+CiAgICA8ZGVmcz48L2RlZnM+CiAgICA8ZyBpZD0iRWxlbWVudC1ndWlkZWxpbmUtdjAuMi40IiBzdHJva2U9Im5vbmUiIHN0cm9rZS13aWR0aD0iMSIgZmlsbD0ibm9uZSIgZmlsbC1ydWxlPSJldmVub2RkIj4KICAgICAgICA8ZyBpZD0iTWVzc2FnZSIgdHJhbnNmb3JtPSJ0cmFuc2xhdGUoLTYwLjAwMDAwMCwgLTMzMi4wMDAwMDApIj4KICAgICAgICAgICAgPGcgaWQ9IuW4puWAvuWQkV/kv6Hmga8iIHRyYW5zZm9ybT0idHJhbnNsYXRlKDYwLjAwMDAwMCwgMzMyLjAwMDAwMCkiPgogICAgICAgICAgICAgICAgPGcgaWQ9IlJlY3RhbmdsZS0yIj4KICAgICAgICAgICAgICAgICAgICA8ZyBpZD0iaWNvbl9kYW5nZXIiPgogICAgICAgICAgICAgICAgICAgICAgICA8cmVjdCBpZD0iUmVjdGFuZ2xlLTIiIGZpbGw9IiNGRjQ5NDkiIHg9IjAiIHk9IjAiIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCI+PC9yZWN0PgogICAgICAgICAgICAgICAgICAgICAgICA8cGF0aCBkPSJNMjUuODE3MjYyNywxNi4zNDUxNzk2IEMyNS45MzkwOTAyLDE2LjIyMzM0ODMgMjYsMTYuMDc2MTQxOCAyNiwxNS45MDM1NTIzIEMyNiwxNS43MzA5NjI4IDI1LjkzOTA5MDIsMTUuNTgzNzU2MyAyNS44MTcyNjI3LDE1LjQ2MTkyODkgTDI0LjUwNzYxNTcsMTQuMTgyNzQxMSBDMjQuMzg1Nzg4MiwxNC4wNjA5MTM3IDI0LjI0MzY1NzUsMTQgMjQuMDgxMjE5NiwxNCBDMjMuOTE4NzgxNywxNCAyMy43NzY2NTEsMTQuMDYwOTEzNyAyMy42NTQ4MjM1LDE0LjE4Mjc0MTEgTDIwLDE3LjgzNzU2MzUgTDE2LjMxNDcyMTYsMTQuMTgyNzQxMSBDMTYuMTkyODkwMiwxNC4wNjA5MTM3IDE2LjA1MDc1OTUsMTQgMTUuODg4MzIxNiwxNCBDMTUuNzI1ODg3NiwxNCAxNS41ODM3NTY5LDE0LjA2MDkxMzcgMTUuNDYxOTI5NCwxNC4xODI3NDExIEwxNC4xNTIyODI0LDE1LjQ2MTkyODkgQzE0LjA1MDc1ODIsMTUuNTgzNzU2MyAxNCwxNS43MzA5NjI4IDE0LDE1LjkwMzU1MjMgQzE0LDE2LjA3NjE0MTggMTQuMDUwNzU4MiwxNi4yMjMzNDgzIDE0LjE1MjI4MjQsMTYuMzQ1MTc5NiBMMTcuODM3NTYwOCwyMC4wMDAwMDE5IEwxNC4xNTIyODI0LDIzLjY1NDgyNDMgQzE0LjA1MDc1ODIsMjMuNzc2NjUxNyAxNCwyMy45MjM4NTgyIDE0LDI0LjA5NjQ0NzcgQzE0LDI0LjI2OTAzNzIgMTQuMDUwNzU4MiwyNC40MTYyNDM3IDE0LjE1MjI4MjQsMjQuNTM4MDcxMSBMMTUuNDYxOTI5NCwyNS44MTcyNTg5IEMxNS41ODM3NTY5LDI1LjkzOTA4NjMgMTUuNzI1ODg3NiwyNiAxNS44ODgzMjE2LDI2IEMxNi4wNTA3NTk1LDI2IDE2LjE5Mjg5MDIsMjUuOTM5MDg2MyAxNi4zMTQ3MjE2LDI1LjgxNzI1ODkgTDIwLDIyLjE2MjQzNjUgTDIzLjY1NDgyMzUsMjUuODE3MjU4OSBDMjMuNzc2NjUxLDI1LjkzOTA4NjMgMjMuOTE4NzgxNywyNiAyNC4wODEyMTk2LDI2IEMyNC4yNDM2NTc1LDI2IDI0LjM4NTc4ODIsMjUuOTM5MDg2MyAyNC41MDc2MTU3LDI1LjgxNzI1ODkgTDI1LjgxNzI2MjcsMjQuNTM4MDcxMSBDMjUuOTM5MDkwMiwyNC40MTYyNDM3IDI2LDI0LjI2OTAzNzIgMjYsMjQuMDk2NDQ3NyBDMjYsMjMuOTIzODU4MiAyNS45MzkwOTAyLDIzLjc3NjY1MTcgMjUuODE3MjYyNywyMy42NTQ4MjQzIEwyMi4xMzE5ODA0LDIwLjAwMDAwMTkgTDI1LjgxNzI2MjcsMTYuMzQ1MTc5NiBaIiBpZD0iUGF0aCIgZmlsbD0iI0ZGRkZGRiI+PC9wYXRoPgogICAgICAgICAgICAgICAgICAgIDwvZz4KICAgICAgICAgICAgICAgIDwvZz4KICAgICAgICAgICAgPC9nPgogICAgICAgIDwvZz4KICAgIDwvZz4KPC9zdmc+) no-repeat 0 50%; } .c-message--info{ background:#20A0FF url(data:image/svg+xml;base64,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) no-repeat 0 50%; } .c-message--warning{ background:#F7BA2A url(data:image/svg+xml;base64,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) no-repeat 0 50%; } .c-message--close{ position: absolute; right: 10px; color: #999; text-decoration: none; cursor: pointer; font-size: 30px; top: 0; line-height: 34px; display: block; height: 40px; } .c-message--close:hover{ color:#666; } @keyframes messageFadeInDown { 0% { -webkit-transform: translate3d(0,-100%,0); transform: translate3d(0,-100%,0) } 100% { -webkit-transform: none; transform: none } } .c-message.messageFadeInDown { -webkit-animation-duration: .6s; animation-duration: .6s; -webkit-animation-fill-mode: both; animation-fill-mode: both -webkit-animation-name: messageFadeInDown; animation-name: messageFadeInDown; } @keyframes messageFadeOutUp { 0% { opacity: 1 } 100% { opacity: 0; -webkit-transform: translateY(-100%); transform: translateY(-100%) } } .c-message.messageFadeOutUp { -webkit-animation-duration: .6s; animation-duration: .6s; -webkit-animation-fill-mode: both; animation-fill-mode: both -webkit-animation-name: messageFadeOutUp; animation-name: messageFadeOutUp } /* .c-message--tip{ text-align: center; } */message.js
<script src="js/message.js"></script>/** * 消息提示组件 * * 1.调用 * 字符串类型参数: $.message('成功'); * 对象型参数:$.message({}); * * 2.参数详解 * message:' 操作成功', //提示信息 time:'2000', //显示时间(默认:2s) type:'success', //显示类型,包括4种:success.error,info,warning showClose:false, //显示关闭按钮(默认:否) autoClose:true, //是否自动关闭(默认:是) * * type:success,error,info,warning */ $.extend({ message: function(options) { var defaults={ message:' 操作成功', time:'2000', type:'success', showClose:false, autoClose:true, onClose:function(){} }; if(typeof options === 'string'){ defaults.message=options; } if(typeof options === 'object'){ defaults=$.extend({},defaults,options); } //message模版 var templateClose=defaults.showClose?'<a class="c-message--close">×</a>':''; var template='<div class="c-message messageFadeInDown">'+ '<i class=" c-message--icon c-message--'+defaults.type+'"></i>'+ templateClose+ '<div class="c-message--tip">'+defaults.message+'</div>'+ '</div>'; var _this=this; var $body=$('body'); var $message=$(template); var timer; var closeFn,removeFn; //关闭 closeFn=function(){ $message.addClass('messageFadeOutUp'); $message.one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend',function(){ removeFn(); }) }; //移除 removeFn=function(){ $message.remove(); defaults.onClose(defaults); clearTimeout(timer); }; //移除所有 $('.c-message').remove(); $body.append($message); //居中 $message.css({ 'margin-left':'-'+$message.width()/2+'px' }) //去除动画类 $message.one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend',function(){ $message.removeClass('messageFadeInDown'); }); //点击关闭 $body.on('click','.c-message--close',function(e){ closeFn(); }); //自动关闭 if(defaults.autoClose){ timer=setTimeout(function(){ closeFn(); },defaults.time) } } });调用方式:
$('.btn-success').on('click',function(){ $.message('成功'); }) $('.btn-danger').on('click',function(){ $.message({ message:'失败提示', type:'error' }); }) $('.btn-warning').on('click',function(){ $.message({ message:'警告提示', type:'warning' }); }) $('.btn-info').on('click',function(){ $.message({ message:'信息提醒', type:'info' }); })参数详解:
message:' 操作成功', //提示信息 time:'2000', //显示时间(默认:2s) type:'success', //显示类型,包括4种:success.error,info,warning showClose:false, //显示关闭按钮(默认:否) autoClose:true, //是否自动关闭(默认:是)演示完整代码
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta http-equiv="X-UA-Compatible" content="IE=Edge"> <meta charset="UTF-8"> <link rel="stylesheet" type="text/css" href="https://out.img.pan.lizhenqiu.com/f4064d8eb781b350f1ba7d8ecb509352"> <link rel="stylesheet" href="https://out.img.pan.lizhenqiu.com/2800e1fd28b3bd7b7e595f3c79c14a54"> <style> /* 非组件样式 */ .btn{ margin-right:20px; } .p40{ padding:40px; } .mt20{ margin-top:20px; } </style> </head> <body> <div class="p40"> <p>点击调用提示</p> <button class="btn btn-success">成功提示</button> <button class="btn btn-danger">失败提示</button> <button class="btn btn-warning">警告提示</button> <button class="btn btn-info">信息提醒</button> </div> <div class="p40"> <p>调用方式:</p> <pre> $('.btn-success').on('click',function(){ $.message('成功'); }) $('.btn-danger').on('click',function(){ $.message({ message:'失败提示', type:'error' }); }) $('.btn-warning').on('click',function(){ $.message({ message:'警告提示', type:'warning' }); }) $('.btn-info').on('click',function(){ $.message({ message:'信息提醒', type:'info' }); }) </pre> <p class="mt20">参数详解:</p> <pre> message:' 操作成功', //提示信息 time:'2000', //显示时间(默认:2s) type:'success', //显示类型,包括4种:success.error,info,warning showClose:false, //显示关闭按钮(默认:否) autoClose:true, //是否自动关闭(默认:是) </pre> </div> <script src="https://lizhenqiu.com/templates/default/jquery.min.js"></script> <script src="https://out.img.pan.lizhenqiu.com/622e86b9b1eee72c2a30fe3ba54df713"></script> <script> $(function(){ $('.btn-success').on('click',function(){ $.message('成功'); }) $('.btn-danger').on('click',function(){ $.message({ message:'失败提示', type:'error' }); }) $('.btn-warning').on('click',function(){ $.message({ message:'警告提示', type:'warning' }); }) $('.btn-info').on('click',function(){ $.message({ message:'信息提醒', type:'info' }); }) }) </script> </body> </html>#769
问题: 系统默认的alert弹框的title会默认显示网页域名 解决办法: (修改弹框样式) (function() { window.alert = function(name) { $(".tip").css("display", "block") $(".tip .content").html(name) } })() 调用:alert(name) 在页面中添加弹框元素,自定义其样式,默认隐藏 注:alert()方法重写,不能传多余参数 (仅去掉网址) (function(){ window.alert = function(name){ var iframe = document.createElement("IFRAME"); iframe.style.display="none"; iframe.setAttribute("src", 'data:text/plain'); document.documentElement.appendChild(iframe); window.frames[0].window.alert(name); iframe.parentNode.removeChild(iframe); } })(); alert('试一试');#770
margin-right: -1px; border: 1px solid #d5d5d5;#771
——Gustave Le Bon 乌合之众
#772
#773
#774
#775
#776
针对谷歌浏览器内核,加webkit前缀,用transform:scale()这个属性进行缩放
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> span{ font-size: 12px; display: inline-block; -webkit-transform:scale(0.8); } </style> </head> <body> <span>测试10px</span> </body> </html>修改chrome记住密码后自动填充表单的黄色背景
/*通过input : -webkit-autofill来进行修改!*/ input:-webkit-autofill { background-color: #FAFFBD; background-image: none; color: #000; }最简单的去重方式
1、es6的new Set()方式
let array=[0,3,4,5,3,4,7,8,2,2,5,4,6,7,8,0,2,0,90]; [...new Set(array)][...new Set([1,3,4,5,1,2,3,3,4,8,90,3,0,5,4,0])]2、es5的Array filter()
[1,3,4,5,1,2,3,3,4,8,90,3,0,5,4,0].filter(function(elem,index,Array){ return index === Array.indexOf(elem); })数组对象全等比较
// 这些可以 'abc' === 'abc' // true 1 === 1 // true // 然而这些不行 [1,2,3] === [1,2,3] // false {a: 1} === {a: 1} // false {} === {} // false经典面试题目
const Greeters = [] for (var i = 0 ; i < 10 ; i++) { Greeters.push(function () { return console.log(i) }) } Greeters[0]() // 10 Greeters[1]() // 10 Greeters[2]() // 10const Greeters = [] for (let i = 0 ; i < 10 ; i++) { Greeters.push(function () { return console.log(i) }) } Greeters[0]() // 0 Greeters[1]() // 1 Greeters[2]() // 2Math.min()比Math.max()大
Math.min() < Math.max() // false Math.min() > Math.max() // true //因为Math.min() 返回 Infinity, 而 Math.max()返回 -Infinity。点击文字,文字后面radio选中效果
<form> <label for="male">Male</label> <input type="radio" name="sex" id="male" /> <br /> <label for="female">Female</label> <input type="radio" name="sex" id="female" /> </form>网站中,图片文件(jpg,png,gif),如何点击下载?而非点击预览?
我们点击下载按钮,只会预览“baidu.jpg”这张图片,并不会出现下载框,另存为那种?那么我们如何做呢?
我们只需要如下写:
<a href="https://www.baidu.com/favicon.ico" download >下载</a> <!-- 我们还可以指定文件名称,如下写法: --> <a href="tupiandizhi.jpg" download="baidu" ></a>#777
#778
浏览器识别不了\n或\r\n,这两个换行符是文本换行符,文本文件有效;
如果需要将结果输出到浏览器或打印到显示器,代码中使用br;
如果只是在源代码中换行,则使用\n或\r\n
<?php echo'hello</br>'; echo'world!'; ?>world!
<?php echo'hello\n';//unix系统使用\n;windows系统下\r\n echo'world!'; ?>分析:浏览器识别不了\n或\r\n,这两个换行符是文本换行符,文本文件有效;在网页中查看HTML源代码可以发现代码b成功实现了换行
总结:如果需要将结果输出到浏览器或打印到显示器,代码中使用</br>;如果只是在源代码中换行,则使用\n或\r\n
Windows、Unix、Mac不同操作系统的换行问题-剖析回车符\r和换行符\n
一、概念:
换行符‘\n’和回车符‘\r’
(1)换行符就是另起一行 --- '\n' 10 换行(newline) (2)回车符就是回到一行的开头 --- '\r' 13 回车(return)所以我们平时编写文件的回车符应该确切来说叫做回车换行符
二、应用:
(1)在微软的MS-DOS和Windows中,使用“回车CR('\r')”和“换行LF('\n')”两个字符作为换行符; (2)Windows系统里面,每行结尾是 回车+换行(CR+LF),即“\r\n”; (3)Unix系统里,每行结尾只有 换行CR,即“\n”; (4)Mac系统里,每行结尾是 回车CR 即'\r'。三、影响:
(1)一个直接后果是,Unix/Mac系统下的文件在Windows里打开的话,所有文字会变成一行;
(2)而Windows里的文件在Unix/Mac下打开的话,在每行的结尾可能会多出一个^M符号。
(3)Linux保存的文件在windows上用记事本看的话会出现黑点。
四、可以相互转换:
在linux下,命令unix2dos 是把linux文件格式转换成windows文件格式,命令dos2unix 是把windows格式转换成linux文件格式。
在不同平台间使用FTP软件传送文件时, 在ascii文本模式传输模式下, 一些FTP客户端程序会自动对换行格式进行转换. 经过这种传输的文件字节数可能会发生变化.
如果你不想ftp修改原文件, 可以使用bin模式(二进制模式)传输文本。
一个程序在windows上运行就生成CR/LF换行格式的文本文件,而在Linux上运行就生成LF格式换行的文本文件。
“Unix系统里,每行结尾只有 换行CR,即“\n”” 应该修改为: “Linux/Unix系统里,每行结尾只有 换行LF,即“\n””。 另外,其实很多人不知道 CR 和 LF 是什么的缩写: CR: 回车(Carriage Return) \r LF: 换行(Line Feed) \n#779
$dsn = "HOST is {$conn['host']}";
要不
$dsn = "HOST is $conn[host]";
在双引号里面访问数组数据可以不加单引号。