关于webwork+freemarker的简单实例

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关于webwork+freemarker的简单实例

action类：

public class TestAction extends CoreActionSupport implements BaduObjectLoader {

public List getUsers() {
return users;
}
private List users;

public String execute() {

List users_=new ArrayList();

BigDecimal amount1 = new BigDecimal(Double.toString(99999999.66));
BigDecimal amount2 = new BigDecimal(Double.toString(88888888.77));
BigDecimal amount3 = new BigDecimal(Double.toString(77777777.88));

TopInUser u1=new TopInUser();
u1.setCount(10002);
u1.setNickname("zhangsan");
u1.setUid(123);
u1.setAmount(amount1);

TopInUser u2=new TopInUser();
u2.setCount(10003);
u2.setNickname("zhangsan");
u2.setUid(123);
u2.setAmount(amount2);

TopInUser u3=new TopInUser();
u3.setCount(1044);
u3.setNickname("zhangsan444");
u3.setUid(5555);
u3.setAmount(amount3);

users_.add(u1);
users_.add(u2);
users_.add(u3);

users=users_;

return SUCCESS;
}
public String loadObjects() throws Exception {
// TODO Auto-generated method stub
return SUCCESS;
}

}

实体类：

public class TopInUser {

private long uid; //用户id
private int count; //数量
private String nickname; //用户昵称
private java.math.BigDecimal amount; //金额

public java.math.BigDecimal getAmount() {
return amount;
}
public void setAmount(java.math.BigDecimal amount) {
this.amount = amount;
}

public String getNickname() {
return nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
public long getUid() {
return uid;
}
public void setUid(long uid) {
this.uid = uid;
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}

}

webwork配置文件：

<action name="test" class="com.guagua.vas.top.action.TestAction">
<result name="success" type="freemarker">/test/index.html</result>
</action>

注意属性：type="freemarker" 表示视图采用freemarker来显示数

官方推荐为模板文件后缀为ftl，其他后缀也可以这里为html

下面看index.html:

<html>
<body>

<h1>webwork freemarker demo</h1>

<br/>

total: ${users?size} <br/><br/>

<#list users as user>
<li>
${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname}---${user.amount?c}
</li>
</#list>

<h1>webwork freemarker demo</h1>

<#list users as user>
<li>
${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>
</#list>

<hr/>

get first object: <br/>
first : ${users?first.uid?c} <br/><br/>

get last object: <br/>
last : ${users?last.uid?c} <br/><br/>

<hr/>

<#list users as user>

<#if user_index=0>
<li>
第一 ${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>

</#if>

<#if user_index=1>
<li>
第二 ${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>

</#if>

<#if user_index=2>

<#break>
<li>
第三 ${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>

</#if>

</#list>

<hr/>

<#list users as user>

<#assign i = user_index>

${i}

<#switch i>

<#case 0>
<li>
${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>
<#break>
<#case 1>
<li>
${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>
<#break>
<#case 2>
<li>
${user_index+1}---------- ${user.uid?c}-${user.count?c}-${user.nickname?substring(0,5)?trim?upper_case}---${user.amount?c}
</li>
<#break>
<#default>

</#switch>

</#list>

</body>
</html>

访问：

http://www.test.com/test.jspa

输出结果: