通过button将form表单的数据提交到action层的实例

form表单中不需要写action的路径，需要给form表单一个唯一的id，将你要提交的信息的表单中的标签name="action中的javabean对象.javabean属性"。给button按钮添加一个onclick()点击事件，并实现该点击事件，在该onclick()方法中通过ajax将form表单中的数据提交给action层

JSP页面中的代码：

</div>
<pre><code> <div class="modal-footer"&gt;
  <button id="submitButton" onclick="saveButton()" type="button" class="btn btn-primary"&gt;更新</button>
 </div></code></pre>
</form>
   <script type="text/javascript">
    function saveButton(){
      //通过ajax异步将数据发送给action层
      $.ajax({
       url : '${pageContext.request.contextPath}/stu/stu_upstudent.action',//这里写上你的action路径
       data : $("#handleform").serialize(),//将你在form表单上提交的数据序列化
       type : 'POST',//提交方式
       dataType : 'json',//提交的数据类型
       async:true,//是否异步
       success : function(data) {//这是个回调<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a> data表示从action中传过来的json数据
       //弹出从action层传过来的json格式的数据(用来<a href="https://www.jb51.cc/tag/xianshi/" target="_blank" class="keywords">显示</a>是否更新成功)
       alert(data.result);
       }
      });
    }
   </script></pre>
</div>
<p><h3>action层中的<a href="https://www.jb51.cc/tag/daima/" target="_blank" class="keywords">代码</a>： </h3></p>
<div class="jb51code">
<pre class="brush:xhtml;">
@Controller
@Scope("prototype")
// 控制层，多例模式
public class DangerAction extends ActionSupport {
<p>private Student student;<br />
public void setStudent(Student student){<br />
this.student = student;<br />
}<br />
public Student getStudent(){<br />
return this.student;<br />
}</p>
<p>@Resource<br />
private StudentService studentService;<br />
public StudentService getStudentService() {<br />
return studentService;<br />
}<br />
public void setStudentService(StudentService studentService) {<br />
this.studentService = studentService;<br />
}<br />
public String updateStudent throws Exception{</p>
<p>boolean flag = studentService.update(student);<br />
HttpServletResponse response = ServletActionContext.getResponse();</p>
<p>　　　　　//通过json对象将<a href="https://www.jb51.cc/tag/xiugai/" target="_blank" class="keywords">修改</a>反馈信息响应给jsp<br />
JSONObject json = new JSONObject();<br />
if (flag) {<br />
System.out.println(flag);<br />
json.put("result","<a href="https://www.jb51.cc/tag/xiugai/" target="_blank" class="keywords">修改</a>成功");<br />
} else {<br />
System.out.println(flag);<br />
json.put("result","<a href="https://www.jb51.cc/tag/xiugai/" target="_blank" class="keywords">修改</a>失败");<br />
}<br />
System.out.println(json.toString());<br />
response.setContentType("text/html;charset=UTF-8");<br />
response.getWriter().write(json.toString());<br />
return null;//如果不需要@R<em>784</em><a href="https://www.jb51.cc/tag/404/" target="_blank" class="keywords">404</a>@面就写上null,如果要@R<em>784</em><a href="https://www.jb51.cc/tag/404/" target="_blank" class="keywords">404</a>@面就自己另外写上<br />
}<br />
}</pre></p>
</div>
<p><h3>javabean<a href="https://www.jb51.cc/tag/daima/" target="_blank" class="keywords">代码</a>：</h3></p>
<div class="jb51code">
<pre class="brush:xhtml;">
public class Student{
 private int stuid;
 private int className;
 private int name;
 private String studentMsg;
 public int getStuid() {
  return stuid;
 }
 public void setStuid(int stuid) {
  this.stuid = stuid;
 }
 public int getClassName() {
  return className;
 }
 public void setClassName(int className) {
  this.className = className;
 }
 public int getName() {
  return name;
 }
 public void setName(int name) {
  this.name = name;
 }
 public String getStudentMsg() {
  return studentMsg;
 }
 public void setStudentMsg(String studentMsg) {
  this.studentMsg = studentMsg;
 }
<p>}</pre></p>
</div>
<p>以上这篇通过button将form表单的数据提交到action层的实例就是小编<a href="https://www.jb51.cc/tag/fenxiang/" target="_blank" class="keywords">分享</a>给大家的全部<a href="https://www.jb51.cc/tag/neirong/" target="_blank" class="keywords">内容</a>了，希望能给大家一个参考，也希望大家多多<a href="https://www.jb51.cc/tag/zhichi/" target="_blank" class="keywords">支持</a>编程之家。</p><i class="glyphicon glyphicon-link"></i> 原文链接：https://www.f2er.com/js/36564.html</div>
      <div class="topcard-tags"><a href="https://www.f2er.com/tag/formbiaodantijiaoaction/" class="tag_link" target="_blank">form表单提交action</a></div>
      
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