//替换指定传入参数的值,paramName为参数,replaceWith为新值 function replaceParamVal(paramName,replaceWith) { var oUrl = this.location.href.toString(); var re=eval(‘/(‘+ paramName+‘=)([^&]*)/gi‘); var nUrl = oUrl.replace(re,paramName+‘=‘+replaceWith); this.location = nUrl; }