使用AnnotationFormatterFactory<A extends Annotation>格式化数据

红太狼 2022-10-01 02:51 28阅读 0赞

代码：

testForm.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>测试AnnotationFormatterFactory	接口</title>
    </head>
    <body>
    <h3>测试表单数据格式化</h3>
    <form action="test" method="post">
         <table>
             <tr>
             	<td><label>日期类型: </label></td>
                 <td><input type="text" id="birthday" name="birthday" ></td>
             </tr>
             <tr>
             	<td><label>整数类型: </label></td>
                 <td><input type="text" id="total" name="total" ></td>
             </tr>
             <tr>
             	<td><label>百分数类型: </label></td>
                 <td><input type="text" id="discount" name="discount" ></td>
             </tr>
             <tr>
             	<td><label>货币类型: </label></td>
                 <td><input type="text" id="money" name="money" ></td>
             </tr>
             <tr>
                 <td><input id="submit" type="submit" value="提交"></td>
             </tr>
         </table>
    </form>
    </body>
    </html>

success.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
    <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
    <%@ taglib uri="http://www.springframework.org/tags" prefix="spring" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>测试AnnotationFormatterFactory</title>
    </head>
    <body>
    <h3>测试表单数据格式化</h3>
    <form:form modelAttribute="user" method="post" action="" >
    <table>
    	<tr>
    		<td>日期类型:</td>
    		<td><form:input path="birthday"/></td>
    	</tr>
    	<tr>
    		<td>整数类型:</td>
    		<td><form:input path="total"/></td>
    	</tr>
    	<tr>
    		<td>百分数类型:</td>
    		<td><form:input path="discount"/></td>
    	</tr>
    	<tr>
    		<td>货币类型:</td>
    		<td><form:input path="money"/></td>
    	</tr>
    </table>
    </form:form>
    </body>
    </html>

User.java

package com.bean;
    
    import java.io.Serializable;
    import java.util.Date;
    
    import org.springframework.format.annotation.DateTimeFormat;
    import org.springframework.format.annotation.NumberFormat;
    import org.springframework.format.annotation.NumberFormat.Style;
    
    public class User implements Serializable {
    	// 日期类型
    	@DateTimeFormat(pattern="yyyy-MM-dd")
    	private Date birthday;
    	// 正常数字类型
    	@NumberFormat(style=Style.NUMBER, pattern="#,###")  
    	private int total;  
        // 百分数类型
    	@NumberFormat(style=Style.PERCENT)  
        private double discount;  
    	// 货币类型
    	@NumberFormat(style=Style.CURRENCY)  
    	private double money;
    	public User() {
    		super();
    		// TODO Auto-generated constructor stub
    	}
    	public Date getBirthday() {
    		return birthday;
    	}
    	public void setBirthday(Date birthday) {
    		this.birthday = birthday;
    	}
    	public int getTotal() {
    		return total;
    	}
    	public void setTotal(int total) {
    		this.total = total;
    	}
    	public double getDiscount() {
    		return discount;
    	}
    	public void setDiscount(double discount) {
    		this.discount = discount;
    	}
    	public double getMoney() {
    		return money;
    	}
    	public void setMoney(double money) {
    		this.money = money;
    	}
    	@Override
    	public String toString() {
    		// TODO Auto-generated method stub
    		return "User [birthday=" + birthday + ", total=" + total + ", discount=" + discount + ", money=" + money + "]";
    	}
    	
    }

FormatterController.java

package com.control;
    
    import org.apache.commons.logging.Log;
    import org.apache.commons.logging.LogFactory;
    import com.bean.*;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.Model;
    import org.springframework.web.bind.annotation.ModelAttribute;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RequestMethod;
    
    @Controller
    public class FormatterController{
    	private static final Log logger = LogFactory.getLog(FormatterController.class);
    	 
    	@RequestMapping(value="/{formName}")
    	 public String loginForm(@PathVariable String formName){
    		// 动态跳转页面
    		return formName;
    	}
    	
    	 @RequestMapping(value="/test",method=RequestMethod.POST)
    	 public String test(@ModelAttribute User user, Model model) {
    		 logger.info(user);
    		 model.addAttribute("user", user);
    	     return "success";
    	 }
    }

截图：

![Center][]

![Center 1][]

[Center]: /images/20220705/678362f42331475787b196e513567755.png
[Center 1]: /images/20220705/b8ad3f206a4b41b5833af50371bfe165.png