添加 （1） onkeyup="limitLength(this.value,100,'名称','name')" (2) id="name" 或【struts标签】styleId="name" 注意：id名称和 attribute属性名称要一样
例子： <p> 或 <p><input type="text" name="explain" id="explain" onkeyup="limitLength(value,5,'语义说明','explain')" > <p>*/ <p>function limitLength(value, byteLength, title, attribute) { <BR> var newvalue = value.replace(/[^\x00-\xff]/g, "**"); <BR> var length = newvalue.length; <p> //当填写的字节数小于设置的字节数 <BR> if (length * 1 <=byteLength * 1){ <BR> return; <BR> } <BR> var limitDate = newvalue.substr(0, byteLength); <BR> var count = 0; <BR> var limitvalue = ""; <BR> for (var i = 0; i < limitDate.length; i++) { <BR> var flat = limitDate.substr(i, 1); <BR> if (flat == "*") { <BR> count++; <BR> } <BR> } <BR> var size = 0; <BR> var istar = newvalue.substr(byteLength * 1 - 1, 1);//校验点是否为“×” <p> //if 基点是×; 判断在基点内有×为偶数还是奇数 <BR> if (count % 2 == 0) { <BR> //当为偶数时 <BR> size = count / 2 + (byteLength * 1 - count); <BR> limitvalue = value.substr(0, size); <BR> } else { <BR> //当为奇数时 <BR> size = (count - 1) / 2 + (byteLength * 1 - count); <BR> limitvalue = value.substr(0, size); <BR> } <BR> alert(title + "最大输入" + byteLength + "个字节（相当于"+byteLength /2+"个汉字）！"); <BR> document.getElementById(attribute).value = limitvalue; <BR> return; <BR>} <script type="text/javascript" src="https://jss.huatuo6.com/pc/wenzhang/detail_dy.js"></script> <script type="text/javascript" src="https://jss.howto1234.net/pc/wenzhang/detail_left.js"></script> </div> <div class="glfra_f"> </div> </div> <script type="text/javascript" src="https://jss.howto1234.net/pc/wenzhang/wenzhang/detail_foot.js"></script> <script type="text/javascript" src="https://jss.howto1234.net/pc/share_right_gg1.js"></script> <script type="text/javascript" src="https://jss.huatuo6.com/pc/share_right_xgzx.js"></script> <script type="text/javascript" src="https://jss.howto1234.net/pc/share_right_gg2.js"></script> <script type="text/javascript" src="https://jss.huatuo6.com/pc/share_right_rmyd.js"></script> </div> <div class="n_right"> <script type="text/javascript" src="https://jss.howto1234.net/pc/share_cebian_gg1.js"></script> <script type="text/javascript" src="https://jss.huatuo6.com/pc/share_cebian_rmht.js"></script> <script type="text/javascript" src="https://jss.howto1234.net/pc/share_cebian_gg2.js"></script> <script type="text/javascript" src="https://jss.huatuo6.com/pc/share_cebian_rmtw.js"></script> <script type="text/javascript" src="https://jss.howto1234.net/pc/share_cebian_gg3.js"></script> <script type="text/javascript" src="https://jss.huatuo6.com/pc/share_cebian_wntj.js"></script> </div> </div> <script type="text/javascript" src="https://jss.huatuo6.com/pc/tj_foot4.js"></script><div class="foot"> <div class="smain"> <div class="foot_ano clearfix"> <!-- <div class="foot_logo"> <img src="images/logo_w.png" alt="AI游中国" /> </div> --> <div class="foot_mesg"> <p> Copyright © 2019-<span class="currentYear"></span> howto1234.net 版权所有 </p> <p> 违法及侵权请联系：TEL:199 18 7713 E-MAIL:2724546146@qq.com </p> <p> 本站由北京市万商天勤律师事务所王兴未律师提供法律服务 </p> </div> </div> </div> </div> <script type="text/javascript"> const currentYear = new Date().getFullYear(); $('.currentYear').html(currentYear) </script>
