【freemarker】渲染列表一系列操作
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【freemarker】渲染列表一系列操作
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數(shù)據(jù)模型:
public class AddressVo implements Serializable {private static final long serialVersionUID = 1137197211343312155L;private String name;public String getName() {return name;}public void setName(String name) {this.name = name;}public AddressVo(String name) {this.name = name;}public AddressVo() {} } public class UserVo implements Serializable {private String name;private Integer age;private List<AddressVo> addressVoList;private Date birthday;public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}public List<AddressVo> getAddressVoList() {return addressVoList;}public void setAddressVoList(List<AddressVo> addressVoList) {this.addressVoList = addressVoList;}public Date getBirthday() {return birthday;}public void setBirthday(Date birthday) {this.birthday = birthday;} }?
@GetMapping("list")public String list(Model model){List<UserVo> userVoList=new ArrayList<>();for (int i=0;i<5;i++){UserVo userVo=new UserVo();userVo.setName("張三"+i);if(i!=3){userVo.setAddressVoList(Arrays.asList(new AddressVo("上海"+i),new AddressVo("北京"+i)));}userVo.setAge(i*5);if(i!=2){userVo.setBirthday(DateTime.now().plusDays(i).toDate());}userVoList.add(userVo);}model.addAttribute("userList",userVoList);return "userList";}?
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freemarker模板
<table style="width: 1000px;height: auto" cellpadding="1" cellspacing="1"><thead><tr><th>姓名</th><th>年齡</th><th>地址</th><th>生日</th><th>操作</th></tr></thead><#list userList as user ><tr><#--防止user里沒有name--><td>${user.name!}</td><td>${user.age!}</td><td><#--防止user的addressVoList為空--><#list user.addressVoList!><#items as address>${address.name!} <#sep >,</#items><#else >無地址</#list></td><td>${(user.birthday?string("yyyy-MM-dd"))!"日期不存在"}</td><td><#if user?is_even_item>偶數(shù)<#else> 奇數(shù)</#if>${user?counter}</td></tr></#list></table>?
展示:
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?1、freemarker格式化日期防止為空導(dǎo)致異常。
?2、freemark遍歷列表防止值為空導(dǎo)致異常。
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轉(zhuǎn)載于:https://www.cnblogs.com/gyjx2016/p/11171510.html
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