移动web开发调试工具AlloyLever介绍-守望者-AIR技术交流

破晓发表于 2016-8-3 12:04:35

移动web开发调试工具AlloyLever介绍

<h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">简介</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">web调试有几个非常频繁的刚需：看log、看error、看AJAX发包与回包。其他的如timeline和cookie以及localstorage就不是那么频繁，但是AlloyLever都支持。如你所见：<p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;"><img src="http://divio.qiniudn.com/FoQZGDBvXmg6ZWU2Ou-Rlyyvz9rV" alt="" style="max-width: 50em; margin-top: 1em; margin-bottom: 1em;"><h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">特征</h3><ul style="padding-left: 30px; margin-top: 14px; margin-bottom: 14px; list-style-type: square; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;"><li>点击alloylever按钮之间切换显示或隐藏工具面板</li><li>Console会输出所有用户打印的日志如console.</li><li>Console会输出所有的错误信息(脚本错误和网络请求错误)</li><li>XHR面板会输出所有（XMLHttpRequest）AJAX请求和服务器端返回的数据</li><li>Resouces面板会输出所有的Cookie信息和LocalStorage</li><li>TimeLime面板会输出页面相关的生命周期里的时间段耗时情况</li></ul><h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">演示</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;"><img src="http://divio.qiniudn.com/FlHYzR-CgXQH6mjOXvIiQXgBxy6u" alt="" style="max-width: 50em; margin-top: 1em; margin-bottom: 1em;"><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;"><a href="http://alloyteam.github.io/AlloyLever/" target="_blank" style="text-decoration: none; color: rgb(49, 135, 219);">http://alloyteam.github.io/AlloyLever/</a><h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">Install</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">可以通过npm安装:<pre class="prettyprint lang-html prettyprinted" style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; padding: 6px 10px; border: 1px solid rgb(221, 221, 221); font-size: 12px; line-height: 18px; overflow: auto; border-radius: 3px; word-break: break-all; color: rgb(51, 51, 51); background-color: rgb(248, 248, 248);"><code style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; display: inline-block; line-height: 1.5; border: 0px none; border-radius: 0px; font-size: inherit; background: none;">npm install alloylever</code></pre><h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">使用</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">你的页面只需要引用一个js即可！<pre class="prettyprint lang-html prettyprinted" style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; padding: 6px 10px; border: 1px solid rgb(221, 221, 221); font-size: 12px; line-height: 18px; overflow: auto; border-radius: 3px; word-break: break-all; color: rgb(51, 51, 51); background-color: rgb(248, 248, 248);"><code style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; display: inline-block; line-height: 1.5; border: 0px none; border-radius: 0px; font-size: inherit; background: none;"><script src="alloylever.js"></script></code></pre><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">但是需要注意的是，该js必须引用在其他脚本之前。至于为什么，看下面的原理。<h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">Console截获</h3><pre class="prettyprint lang-js prettyprinted" style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; padding: 6px 10px; border: 1px solid rgb(221, 221, 221); font-size: 12px; line-height: 18px; overflow: auto; border-radius: 3px; word-break: break-all; color: rgb(51, 51, 51); background-color: rgb(248, 248, 248);"><code style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; display: inline-block; line-height: 1.5; border: 0px none; border-radius: 0px; font-size: inherit; background: none;">window.console = {
wc: window.console
};
var self = this;
['log', 'error', 'warn', 'debug', 'info'].forEach(function (item) {
console[item] = function (msg) {
 this.wc[item](msg);
 self.log(msg, item);
}
});</code></pre><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">重写了console方法，并且保存下window下真正的方法进行执行，并且注入自己的事件。<h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">AJAX截获</h3><pre class="prettyprint lang-js prettyprinted" style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; padding: 6px 10px; border: 1px solid rgb(221, 221, 221); font-size: 12px; line-height: 18px; overflow: auto; border-radius: 3px; word-break: break-all; color: rgb(51, 51, 51); background-color: rgb(248, 248, 248);"><code style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; display: inline-block; line-height: 1.5; border: 0px none; border-radius: 0px; font-size: inherit; background: none;">var XHR = window.XMLHttpRequest;

window.XMLHttpRequest=function(){
var xhr = new XHR();
checkSuccess(xhr);
return xhr;
};

window.XMLHttpRequest.realXHR = XHR;

var self=this;

function checkSuccess(xhr) {
if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304) {
 self.option.xhrs.push({url:xhr.responseURL, json:JSON.stringify(JSON.parse( xhr.responseText), null, "\t")})
}else if(xhr.status>=400) {
 console.error(xhr.responseURL +' '+xhr.status+' ('+xhr.statusText+')')
}
else{
 window.setTimeout(function () {
 checkSuccess(xhr);
 }, 0);
}
}</code></pre><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">如上面所示，重写了XMLHttpRequest对象。用户new的对象全部为重写后的，返回的是真正的。这样就可以拿到所有用户创建的XMLHttpRequest对象的实例进行监听。<h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">Error截获</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">其中error包含两部分，第一部分是js报的错误，通过下面的方式截获：<pre class="prettyprint lang-js prettyprinted" style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; padding: 6px 10px; border: 1px solid rgb(221, 221, 221); font-size: 12px; line-height: 18px; overflow: auto; border-radius: 3px; word-break: break-all; color: rgb(51, 51, 51); background-color: rgb(248, 248, 248);"><code style="font-family: consolas, monaco, menlo, "courier new", courier, monospace; display: inline-block; line-height: 1.5; border: 0px none; border-radius: 0px; font-size: inherit; background: none;">window.onerror = function (errorMsg, url, lineNumber, column, errorObj) {
console.error('Error: ' + errorMsg + ' Script: ' + url + ' Line: ' + lineNumber
 + ' Column: ' + column + ' StackTrace: ' + errorObj);
}</code></pre><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">这里执行的时候console已经被重写了。所以自己的console面板也能看到错误。<p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">第二部分是资源加载失败报的错，通过遍历HTML dom节点拿到所有的 js/css/img，然后再次发送请求。js和css通过XMLHttpRequest发请求，监听状态。，img通过new Image(),监听onerror。具体代码参见：<a href="https://github.com/AlloyTeam/AlloyLever/blob/master/src/component/alloy_lever/index.js" target="_blank" style="text-decoration: none; color: rgb(49, 135, 219);">https://github.com/AlloyTeam/AlloyLever/blob/master/src/component/alloy_lever/index.js</a><h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">其他</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">Timeline通过timing.js获得所有信息，timing.js基于window.performance封装的类库。Cookie和localStorage通过js遍历得到。<h3 style="font-size: 20px; counter-reset: subsection 0; font-weight: normal; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif;">相关</h3><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">Github： <a href="https://github.com/AlloyTeam/AlloyLever" target="_blank" style="text-decoration: none; color: rgb(49, 135, 219);">https://github.com/AlloyTeam/AlloyLever</a><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">Issues： <a href="https://github.com/AlloyTeam/AlloyLever/issues" target="_blank" style="text-decoration: none; color: rgb(49, 135, 219);">https://github.com/AlloyTeam/AlloyLever/issues</a><p style="margin-top: 18px; margin-bottom: 18px; color: rgb(51, 51, 51); font-family: "helvetica neue", tahoma, "hiragino sans gb", stheiti, "wenquanyi micro hei", 微软雅黑, 宋体, sans-serif; font-size: 16px; line-height: 27.2px;">欢迎试用反馈。

页: [1]

守望者--AIR技术交流's Archiver

移动web开发调试工具AlloyLever介绍