所有的輸入的是罪惡的：
struts2的轉換器有二種方式：
一 繼承StrutsTypeConverter
將Coord轉換成爲String然後將String轉換成Coord
1.pojo類
package com.newer.pojo;
public class Coord {
private Integer x;
private Integer y;
public Coord() {
System.out.println("實列化");
}
public Integer getX() {
return x;
}
public void setX(Integer x) {
this.x = x;
}
public Integer getY() {
return y;
}
public void setY(Integer y) {
this.y = y;
}
}
2：轉換器
import java.util.Map;
import org.apache.struts2.util.StrutsTypeConverter;
import com.newer.pojo.Coord;
public class CoordConvert extends StrutsTypeConverter {
@Override
public Object convertFromString(Map context, String[] values, Class toClass) {
// --客服端---->服務器
System.out.println("客戶端----〉服務器");
Coord coord = new Coord();
String[] s = values[0].split(",");
coord.setX(Integer.parseInt(s[0]));
coord.setY(Integer.parseInt(s[1]));
return coord;
}
@Override
public String convertToString(Map context, Object o) {
System.out.println("服務器--->客服端");
Coord c = (Coord) o;
return "X=" + c.getX() + "---" + "Y" + c.getY();
}
}
3頁面：
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<s:form action="coordConvertAction" method="post" namespace="/">
<s:textfield name="coord" label="coord 如：x,y"></s:textfield>
<s:submit value="submit"></s:submit>
</s:form>
</body>
</html>
