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<!-- 把下列代码加到<body>区域中 --> <!-- 二级联动 Iniciar --> <script language="JavaScript"> <!-- var subcat = new Array(); subcat[0] = new Array('10','1','=1') subcat[1] = new Array('10','2','=2') subcat[2] = new Array( '10','3','=3') subcat[3] = new Array('10','4','=4') subcat[4] = new Array('10','5', '=5') subcat[5] = new Array('10','6','=6') subcat[6] = new Array('10','7','=7') subcat[7 ] = new Array('10','8','=8') subcat[8] = new Array('10','9','=9') subcat[9] = new Array('10' ,'10','=10') subcat[10] = new Array('20','11','=11') subcat[11] = new Array('20','12','=12 ') subcat[12] = new Array('20','13','=13') subcat[13] = new Array('20','14','=14') subcat[14] = novo Array('20','15','=15') subcat[15] = new Array('20','16','=16') subcat[16] = new Array('20','17 ','=17') subcat[17] = new Array('20','18','=18') subcat[18] = new Array('20','19','=19') subcat [19] = new Array('20','20','=20') function changeselect1(locationid) { document.form1.s2.length = 0; document.form1.s2.options[0] = new Option('==请选择==',''); for (i=0; i<subcat.length; i++) { if (subcat[i][0] == locationid) {document.form1.s2.options[document.form1.s2.length] = new Option(subcat [i][1], subcat[i][2]);} } } //--> </script> <form name="form1"> 二级联动： <select name="s1" onChange=" changeselect1(this.value)"> <option>==请选择==</option> <option value="10">1-10</option> <option value="20">11-20</option > </select> <select name="s2" onChange="alert(this.value)"> <option>==请选择==</option> </select> </form> <!-- 二级联动 Over --> <!-- 三级联动 Iniciar --> <script language="JavaScript"> <!-- var subval = new Array(); subval[0] = new Array('10','单数','1','=1') subval[1] = new Array('10','单数','2','=2' ) subval[2] = new Array('10','单数','3','=3') subval[3] = new Array('10','单数','4','=4 ') subval[4] = new Array('10','单数','5','=5') subval[5] = new Array('10','双数','6','= 6') subval[6] = new Array('10','单数','7','=7') subval[7] = new Array('10','双数','8',' =8') subval[8] = new Array('10','单数','9','=9') subval[9] = new Array('10','双数','10', '=10') subval[10] = new Array('20','单数','11','=11') subval[11] = new Array('20','双数','12' ,'=12') subval[12] = new Array('20','单数','13','=13') subval[13] = new Array('20','双数','14 ','=14') subval[14] = new Array('20','单数','15','=15') subval[15] = new Array('20','双数',' 16','=16') subval[16] = new Array('20','单数','17','=17') subval[17] = new Array('20','双数', '18','=18') subval[18] = new Array('20','单数','19','=19') subval[19] = new Array('20','双数' ,'20','=20') function changeselect2() { document.form2.s2.length = 0; document.form2.s2.options[0] = new Option('==请选择==',''); document.form2.s2.options[1] = new Option('选择单数','单数'); document.form2.s2.options[2] = new Option('选择双数','双数'); documento.form2.s3.length = 0; document.form2.s3.options[0] = new Option('==请选择==',''); } função changeselect3(sub1,sub2) { document.form2.s3.length = 0; document.form2.s3.options[0] = new Option('==请选择==',''); for (i=0; i<subval.length; i++) { if ((subval[i][0] == sub1) & (subval[i][1] == sub2)) {document.form2.s3. options[document.form2.s3.length] = new Option(subval[i][2], subval[i][3]);} } } //--> </script> <form name="form2" > 三级联动: <select name="s1" onChange="changeselect2()"> <option>==请选择==</option> <option value="10">1-10</option> <option value="20">11-20</option> </select> <select name="s2" onChange="changeselect3(document.form2.s1.value,this.value)"> <option>==请选择==</option> </select> <select name="s3" onChange="alert(this.value)"> <option>==请选择==</option> </select> </form> < !-- 三级联动 Acabou -->
