JS高级应用积累

1、获取目录路径相关

  //js获取项目根路径,如: http://localhost:8080/ems
        getRootPath:function () {
            //获取当前网址,如: http://localhost:8080/ems/Pages/Basic/Person.jsp
            var curWwwPath = window.document.location.href;
            //获取主机地址之后的目录,如: /ems/Pages/Basic/Person.jsp
            var pathName = window.document.location.pathname;
            var pos = curWwwPath.indexOf(pathName);
            //获取主机地址,如: http://localhost:8080
            var localhostPath = curWwwPath.substring(0, pos);
            //获取带"/"的项目名,如:/ems
            var projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1);
            return(localhostPath + projectName);
        },

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