function router(page, param, isBlank) {    var url = parent.location.pathname;    var form = document.createElement("form");    var frag = document.createDocumentFragment();    frag.appendChild(form);    form.method = 'post';    form.action = url;    if (isBlank) {        form.target = '_blank';    }    // 创建隐藏表单    var element = document.createElement("input");    element.setAttribute("type", "hidden");    element.setAttribute("name", "forward_by_router");    element.setAttribute("value", page);    form.appendChild(element);    if (param != null) {        var key = [];        for (var i in param) {            key.push(i);        }        for (var i = 0; i < key.length; i++) {            element = document.createElement("input");            element.setAttribute("type", "hidden");            element.setAttribute("name", key[i]);            element.setAttribute("value", param[key[i]]);            form.appendChild(element);        }    }    document.body.appendChild(frag);    form.submit();}

使用方式

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