UrlParam .param(‘参数’) 如果页面间传递的key无重复 获取单个值
UrlParam .paramValues(‘参数’)如果页面间传递的key有重复 得到一个数组
UrlParam .hasParam(‘参数’)判断参数是否存在
UrlParam .paramMap()得到所有参数的对象
封装好的代码
UrlParam = function() { // url参数
var data, index;
(function init() {
data = []; //值,如[["1","2"],["zhangsan"],["lisi"]]
index = {}; //键:索引,如{a:0,b:1,c:2}
var u = window.location.search.substr(1);
if (u != '') {
var params = decodeURIComponent(u).split('&');
for (var i = 0, len = params.length; i < len; i++) {
if (params[i] != '') {
var p = params[i].split("=");
if (p.length == 1 || (p.length == 2 && p[1] == '')) {// p | p= | =
data.push(['']);
index[p[0]] = data.length - 1;
} else if (typeof(p[0]) == 'undefined' || p[0] == '') { // =c 舍弃
continue;
} else if (typeof(index[p[0]]) == 'undefined') { // c=aaa
data.push([p[1]]);
index[p[0]] = data.length - 1;
} else {// c=aaa
data[index[p[0]]].push(p[1]);
}
}
}
}
})();
return {
// 获得参数,类似request.getParameter()
param : function(o) { // o: 参数名或者参数次序
try {
return (typeof(o) == 'number' ? data[o][0] : data[index[o]][0]);
} catch (e) {
}
},
//获得参数组, 类似request.getParameterValues()
paramValues : function(o) { // o: 参数名或者参数次序
try {
return (typeof(o) == 'number' ? data[o] : data[index[o]]);
} catch (e) {}
},
//是否含有paramName参数
hasParam : function(paramName) {
return typeof(paramName) == 'string' ? typeof(index[paramName]) != 'undefined' : false;
},
// 获得参数Map ,类似request.getParameterMap()
paramMap : function() {
var map = {};
try {
for (var p in index) { map[p] = data[index[p]]; }
} catch (e) {}
return map;
}
}
}();