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[英][Failed to convert property value of type 'java.lang.String[]' to required type 'java.util.List' for property
[英]Failed to convert property value of type [java.lang.String]
我的spring應用程序將“date”保存到“database”有問題。哪里出錯?
錯誤
無法將類型[java.lang.String]的屬性值轉換為屬性bornDate的必需類型[java.sql.Date]; 嵌套異常是java.lang.IllegalArgumentException:無法解析日期:Unparseable date:“2016-11-02”
MySQL的
use lifecalc;
create table Man (
manId int not null auto_increment primary key,
name varchar(30) not null,
bornDate date,
lastDate date
);
insert into man value
(null, "Pawel Cichon", "1920-11-30", "2000-02-20");
實體
@Entity
@Table(name="Man")
public class Man {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="manId")
private int manId;
@Column
private String name;
@DateTimeFormat(pattern = "yyyy-MM-dd")
@Column
private java.sql.Date bornDate;
@DateTimeFormat(pattern = "yyyy-MM-dd")
@Column
private java.sql.Date lastDate;
//getter end setter
調節器
@Controller
@RequestMapping("/")
public class AppController {
@Autowired
private ManService manService;
@ModelAttribute("man")
public Man modelToAddMan(){
return new Man();
}
@InitBinder
public void initBinder(WebDataBinder binder) {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/mm/dd");
dateFormat.setLenient(false);
binder.registerCustomEditor(Date.class, new CustomDateEditor( dateFormat, true));
}
@RequestMapping(value="/addMan.html", method = RequestMethod.POST)
public String addManFinish(@Valid @ModelAttribute("man") Man man, BindingResult result) {
if(result.hasErrors()){
return "addMan";
} else{
manService.addMan(man);
return "redirect:/index.html";
}
}
addMan.html
<form:form method="POST" modelAttribute="man">
<div class="form-group">
<label for="name" class="col-sm-2 control-label">name</label>
<form:input path="name" />
<form:errors path="name" cssClass="error"/>
</div>
<div class="form-group">
<label for="bornDate" class="col-sm-2 control-label">bornDate</label>
<form:input path="bornDate" />
<form:errors path="bornDate" cssClass="error"/>
</div>
<div class="form-group">
<label for="lastDate" class="col-sm-2 control-label">lastDate</label>
<form:input path="lastDate" />
<form:errors path="lastDate" cssClass="error"/>
</div>
<div class="form-group">
<input type="submit" class="btn btn-success" value="save" /> <a
class="btn btn-danger" role="button"
href="<spring:url value="/index.html" />">cancel </a>
</div>
</form:form>
代替:
@DateTimeFormat(pattern = "yyyy-MM-dd")
@Column
private java.sql.Date bornDate;
使用java.util.date:
@DateTimeFormat(pattern = "yyyy-MM-dd")
@Column
private java.util.date bornDate;
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