JavaBean解决中文乱码实例

快来打我* 2023-07-24 08:52 19阅读 0赞

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM5NTg4MDAz_size_16_color_FFFFFF_t_70][]

![20200410151403601.png][]

**示例：**用户在**index.jsp**界面输入信息并点击提交，自动跳转到show.jsp页面，并显示输入的内容。

Students.java

package com.health;
    
    public class Students {
    	private String name;
    	private String age;
    	private String sex;
    
    	public String getName() {
    		return name;
    	}
    
    	public void setName(String name) {
    		this.name = name;
    	}
    
    	public String getAge() {
    		return age;
    	}
    
    	public void setAge(String age) {
    		this.age = age;
    	}
    
    	public String getSex() {
    		return sex;
    	}
    
    	public void setSex(String sex) {
    		this.sex = sex;
    	}
    }

CharactorEncoding.java

package com.health;
    
    import java.io.UnsupportedEncodingException;
    
    public class CharactorEncoding {
    	public CharactorEncoding() {}
    	/**
    	 * 对字符串进行处理
    	 * @param str要转码的字符串
    	 * @return 编码后的字符串
    	 */
    	public String toString(String str)
    	{
    		String text = "";
    		if(str!=null&&!"".equals(str)) {
    			try {
    				text = new String(str.getBytes("iso-8859-1"),"utf-8");
    			} catch (UnsupportedEncodingException  e) {
    				// TODO: handle exception
    				e.printStackTrace();
    			}
    		}
    		return text;
    	}
    
    }

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    	pageEncoding="UTF-8"%>
    <!DOCTYPE html>
    <html>
    <head>
    <meta charset="UTF-8">
    <title>个人信息</title>
    </head>
    <body>
    	<form action="show.jsp" method="post">
    		<table>
    			<tr>
    				<td align="center" colspan="2" height="40"><b>个人信息发布</b></td>
    			</tr>
    			<tr>
    				<td>姓名：</td>
    				<td><input type="text" name="name" size="30"></td>
    			</tr>
    			<tr>
    				<td>年龄：</td>
    				<td><input type="text" name="age" size="30"></td>
    			</tr>
    			<tr>
    				<td>性别：</td>
    				<td><input type="text" name="sex" size="30"></td>
    			</tr>
    
    			<tr>
    				<td align="center" colspan="2"><input type="submit" value="提交"></td>
    			</tr>
    		</table>
    	</form>
    </body>
    </html>

show.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    	pageEncoding="UTF-8"%>
    <!DOCTYPE html>
    <html>
    <head>
    <meta charset="UTF-8">
    <title>内容</title>
    </head>
    <body>
    	<jsp:useBean id="info" class="com.health.Students" />
    	<jsp:useBean id="encoding" class="com.health.CharactorEncoding" />
    	<jsp:setProperty property="*" name="info" />
    	<div>
    		姓名：<%=encoding.toString(info.getName())%><br> 
    		年龄：<%=encoding.toString(info.getAge())%><br>
    		性别：<%=encoding.toString(info.getSex())%>
    	</div>
    </body>
    </html>

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM5NTg4MDAz_size_16_color_FFFFFF_t_70]: /images/20230528/b07968a7a7f9470d89a0e78286985071.png
[20200410151403601.png]: /images/20230528/0b933a80df544bdab78c950852f168fd.png