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Node.Js URL模块 Node.Js中用户URL 格式化和反格式化模块用于URL解析、处理等操作的解决方案
1.url.parse(urlStr[, parseQueryString][, slashesDenoteHost])
将url字符串转换成object对象
/**
* urlStr:需要处理的url字符串 * parseQueryString: 是否将查询参数也解析成对象 * 为true时将使用查询模块分析查询字符串,默认为false * slashesDenoteHost: 解析主机处理,双斜线表示主机 * 默认为false,//foo/bar 形式的字符串将被解释成 { pathname: ‘//foo/bar' } * 如果设置成true,//foo/bar 形式的字符串将被解释成 { host: ‘foo', pathname: ‘/bar' } */实例1,仅指定url字符解析成对象
var url=require('url');var url1='http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two';var result=url.parse(url1);// { protocol: 'http:', //使用协议// slashes: true, //// auth: null, // 验证信息// host: 'calc.gongjuji.net', //全小写的主机部分的URL,包括端口信息。// port: null, //端口// hostname: 'calc.gongjuji.net',//小写的主机部分的主机// hash: '#one#two', //页面锚点参数部分// search: '?name=zhangsan&age=18',//查询参数部分,带?// query: 'name=zhangsan&age=18', //查询参数部分// pathname: '/byte/', //目录部分// path: '/byte/?name=zhangsan&age=18',//目录+参数部分// href: 'http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two' //最初解析的完整的网址。双方的协议和主机是小写。// }//console.info(result);实例2 ,指定是否解析参数部分成对象
//参数解析var result2=url.parse(url1,true);// { protocol: 'http:',// slashes: true,// auth: null,// host: 'calc.gongjuji.net',// port: null,// hostname: 'calc.gongjuji.net',// hash: '#one#two',// search: '?name=zhangsan&age=18',// query: { name: 'zhangsan', age: '18' }, //页面参数部分,已经解析成对象了// pathname: '/byte/',// path: '/byte/?name=zhangsan&age=18',// href: 'http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two' }//console.info(result2);实例3,主机特殊解析
//双斜线表示主机var url2='//www.gongjuji.net/byte/?name=zhangsan#one';// { protocol: null,// slashes: true,// auth: null,// host: 'www.gongjuji.net',// port: null,// hostname: 'www.gongjuji.net',// hash: '#one',// search: '?name=zhangsan',// query: { name: 'zhangsan' },// pathname: '/byte/',// path: '/byte/?name=zhangsan',// href: '//www.gongjuji.net/byte/?name=zhangsan#one' }var result3=url.parse(url2,true,true);console.info(result3);2.url.format(urlObj) 将json对象格式化成字符串
var url=require('url');var obj1={ protocol: 'http:', slashes: true, auth: null, host: 'calc.gongjuji.net', port: null, hostname: 'calc.gongjuji.net', hash: '#one#two', search: '?name=zhangsan&age=18', query: 'name=zhangsan&age=18', pathname: '/byte/', path: '/byte/?name=zhangsan&age=18', href: 'http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two' };var url1=url.format(obj1);console.log(url1);//http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two//请求参数为为json对象var obj2={ protocol: 'http:',slashes: true,auth: null,host: 'calc.gongjuji.net',port: null,hostname: 'calc.gongjuji.net',hash: '#one#two',search: '?name=zhangsan&age=18',query: { name: 'zhangsan', age: '18' }, //页面参数部分,已经解析成对象了pathname: '/byte/',path: '/byte/?name=zhangsan&age=18',href: 'http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two' };var url2=url.format(obj2);console.log(url2); //http://calc.gongjuji.net/byte/?name=zhangsan&age=18#one#two//缺少参数的情况var obj3={ protocol: null,slashes: true,auth: null,host: 'www.gongjuji.net',port: null,hostname: 'www.gongjuji.net',hash: '#one',search: '?name=zhangsan',query: { name: 'zhangsan' },pathname: '/byte/',path: '/byte/?name=zhangsan',href: '//www.gongjuji.net/byte/?name=zhangsan#one' };var url3=url.format(obj3);console.log(url3);//www.gongjuji.net/byte/?name=zhangsan#one3.url.resolve(from, to)
返回从根目录指定到当前目录的绝对路径url
1.返回结果去除了参数和锚点 2.返回结果标准url路径格式var url=require('url');//指定相对路径var url1=url.resolve('http://www.gongjuji.net/one/two/three','four');console.log(url1); //http://www.gongjuji.net/one/two/four//指定根目录的相对路径var url3=url.resolve('http://www.gongjuji.net/one/two/three','/four');console.log(url3); //http://www.gongjuji.net/four//带参数的相对路径var url2=url.resolve('http://www.gongjuji.net/one/two/three?name=zhangsan','four');console.log(url2); //http://www.gongjuji.net/one/two/four//非标准分隔符的原路径var url4=url.resolve('http://www.gongjuji.net\\one#name1','/four');console.log(url4);//http://www.gongjuji.net/four//非标准分隔符的相对路径var url5=url.resolve('http://www.gongjuji.net/one','\\two\\three');console.log(url5);//http://www.gongjuji.net/two/three
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