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数据库中是以int形式存储,页面需要显示其对应信息的方法(例如性别,状态)

2014-04-28 21:05 459 查看
此处以班级状态为例:

班级实体:

public class Team {
public static final Integer STATE_NOTBEGIN = 1;
public static final String STATE_NOTBEGIN_VIEW = "未开课";
public static final Integer STATE_BEGIN = 2;
public static final String STATE_BEGIN_VIEW = "已开课";
public static final Integer STATE_FINISH = 3;
public static final String STATE_FINISH_VIEW = "已结课";

private Integer id;
private String tname;
private Integer state;//0无效,1未开课,2已开课,3已结课,默认1

//提供对应map集合用于下拉框或单选框显示
public static final Map<Integer,String> stateMap = new HashMap<Integer,String>(3);
static{
stateMap.put(STATE_NOTBEGIN, STATE_NOTBEGIN_VIEW);
stateMap.put(STATE_BEGIN, STATE_BEGIN_VIEW);
stateMap.put(STATE_FINISH, STATE_FINISH_VIEW);
}

//提供状态显示get方法
public String getStateView(){
String stateView = null;
if(this.state == STATE_NOTBEGIN){
stateView = STATE_NOTBEGIN_VIEW;
}else if(this.state == STATE_BEGIN){
stateView = STATE_BEGIN_VIEW;
}else if(this.state == STATE_FINISH){
stateView = STATE_FINISH_VIEW;
}else{
stateView = "错误状态";
}
return stateView;
}
}

此处均使用struts标签:

jsp页面显示状态信息:

<s:property value="team.stateView"/>

下拉框与单选框显示:

<s:select name="team.state" list="@cn.xxxxxx.crm.domain.Team@stateMap"/>
<s:radio name="team.state" list="@cn.xxxxxx.crm.domain.Team@stateMap"/>
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标签:  struts map 状态显示
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