- <div class="tklx_box">
- <img src="img/01.png" class="img_left" alt=""/>
- <p class="tklx_left" > 联系方式 </p>
- <input type="text" name="txtUser" required placeholder="请输入手机号" />
- </div>
- <div class="tksm_box">
- <p class="tklx2_left"> 退货说明 </p>
- <textarea class="textarea">
- </textarea>
- </div>
- <div id="preview"></div>
- <div class="sctp_box" id="sctp_box">
- <label>
- <img class="sctp_img" src="img/03_03.jpg" alt=""/>
- <input id="photoimg" type="file" name="photoimg" onclick="imglist()" style="display:none">
- </label>
- </div>
- <footer>
- <a href=""onclick="checkUserName()"> 提交申请 </a>
- </footer>
- </form>
- <script>
- function checkUserName(){
- var name = document.form1.txtUser;
- var base = document.form1.txtBser;
- var aser = document.form1.txtAser;
- if(name.value.length==0){
- alert("号为必填项");
- name.focus();
- return false;
- }else if(base.value.length==0){
- alert("号为必填项");
- base.focus();
- return false;
- }else if(aser.value.length==0){
- alert("* 号为必填项");
- aser.focus();
- return false;
- }else{return true;}
- }
来源: http://www.qdfuns.com/article/25545/bc82b42326f8262662d39a702150e180.html