$('#btn_search').click(function() { research(); return false; }); function research() { if (document.getElementById("key_head").value == "" || document.getElementById("key_head").value == "输入关键字") { alert("请输入关键字！"); return; } window.open("/search/list.html?key=" + encodeURIComponent(document.getElementById("key_head").value) + ""); } function getEnter() { if (event.keyCode == 13 && event.srcElement.type != 'submit') { event.returnValue = false; research(); } } function chkSQL(obj, val) { if (val.indexOf("<") > -1 || val.indexOf("<") > -1 || val.indexOf("/*") > -1 || val.indexOf("*/") > -1 || val.indexOf("'") > -1 || val.indexOf("|") > -1 || val.indexOf(";") > -1 || val.indexOf("select") > -1 || val.indexOf("insert") > -1 || val.indexOf("delete") > -1 || val.indexOf("update") > -1 || val.indexOf("create") > -1 || val.indexOf("insert") > -1 || val.indexOf("drop") > -1 || val.indexOf("and") > -1 || val.indexOf("exec") > -1 || val.indexOf("count") > -1 || val.indexOf("chr") > -1 || val.indexOf("mid") > -1 || val.indexOf("master") > -1 || val.indexOf("or") > -1 || val.indexOf("truncate") > -1 || val.indexOf("char") > -1 || val.indexOf("declare") > -1 || val.indexOf("join") > -1 || val.indexOf(">") > -1 || val.indexOf("\\u") > -1) { alert("请不要包含危险字符！"); obj.value = ""; return; } }