我正在尝试从一个表单执行一个简单的提交操作。我在我的项目中使用了带有百里香叶模板的spring boot框架。eclipse IDE中使用的语言是java。
我所要做的就是从表单中获取empname和empid (引用Employee类),并将其存储在一个java对象中。
当我运行应用程序时,应用程序打开,当我导航到edit.html时,我在浏览器中收到以下错误消息-
白标错误页此应用程序没有显式的/error映射,因此您将其视为一种备用方法。Mon Jun 18 16:14:40美国东部时间2018年出现意外错误(type=Internal服务器错误,status=500)。解析模板时出错(模板:"class path resource templates/edit.html")
我在控制台上也得到了这个错误消息-
由: org.springframework.beans.NotReadablePropertyException: bean类的无效属性'empname‘引起的:Bean属性'empname’不可读或具有无效的getter方法: getter的返回类型是否与com.cardinalcommerce.model.Employee的参数类型匹配?在org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyValue(AbstractNestablePropertyAccessor.java:622) ~spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE在org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyValue(AbstractNestablePropertyAccessor.java:612) ~spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE在org.springframework.validation.AbstractPropertyBindingResult.getActualFieldValue(AbstractPropertyBindingResult.java:104) ~spring-context-5.0.6.RELEASE.jar:5.0org.springframework.validation.AbstractBindingResult.getFieldValue(AbstractBindingResult.java:228) ~spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE at org.springframework.web.servlet.support.BindStatus.(BindStatus.java:129) ~spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE at org.springframework.web.servlet.support.RequestContext.getBindStatus(RequestContext.java:903) ~ .6.RELEASE的春天-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE at org.thymeleaf.spring5.context.webmvc.SpringWebMvcThymeleafRequestContext.getBindStatus(SpringWebMvcThymeleafRequestContext.java:227) ~thymeleaf-spring5-3.0.9.RELEASE.jar:3.0.9.RELEASE at org.thymeleaf.spring5.util.FieldUtils.getBindStatusFromParsedExpression(FieldUtils.java:305) ~thymeleaf-spring5-3.0.9.RELEASE.jar:3.0.9.RELEASE at org。thymeleaf.spring5.util.FieldUtils.getBindStatus(FieldUtils.java:252) ~thymeleaf-spring5-3.0.9.RELEASE.jar:3.0.9.RELEASE at org.thymeleaf.spring5.util.FieldUtils.getBindStatus(FieldUtils.java:226) ~thymeleaf-spring5-3.0.9.RELEASE.jar:3.0.9.RELEASE at org.thymeleaf.spring5.processor.AbstractSpringFieldTagProcessor.doProcess(AbstractSpringFieldTagProcessor.java:174) ~thymeleaf Sprring5-3.0.9版本.jar:3.0.9释放org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~胸腺叶-3.0.9释放.jar:3.0.9释放... 67个公共帧被省略
这是我的html文档片段,其中出现了错误。
<form class="form-horizontal" action="#" th:action="@{/employee/edit}" th:object="${employee}" method="POST">
<div class="form-group">
<label class="control-label col-sm-3">File Prefix:</label>
<div class="col-sm-7">
<input type="text" class="form-control" th:field="*{empname}" placeholder="Enter employee name" />
</div>
</div>
<div class="form-group">
<label class="control-label col-sm-3">File Prefix:</label>
<div class="col-sm-7">
<input type="text" class="form-control" th:field="*{empid}" placeholder="Enter the employee ID" />
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-3 col-sm-7">
<button type="submit" class="btn btn-default" id="blackButton" th:value="Submit">Submit</button>
<button type="reset" class="btn btn-default" id="blackButton" th:value="Reset">Cancel</button>
</div>
</div>
这是我的类,这里有setter和getters
public class Employee {
private String empid;
private String empname;
public String getEmployeeId() {
return empid;
}
public void setEmployeeId(String empid) {
this.empid = empid ;
}
public String getEmployeeName() {
return empname;
}
public void setEmployeeName(String empname) {
this.empname = empname;
}
}
这是控制器代码片段-
@Controller
@RequestMapping(value="/")
public class GreetingController {
private static final Logger logger = LoggerFactory.getLogger(GreetingController.class);
@Autowired
private SomeRecord someRecord;
@GetMapping("/")
public String greeting() {
return "about";
}
@RequestMapping("/about")
public String about() {
return "about";
}
@GetMapping("/edit")
public ModelAndView edit() {
ModelAndView modelAndView = new ModelAndView("edit");
modelAndView.addObject("employee", new Employee());
return modelAndView;
}
@PostMapping("/edit")
public ModelAndView createRecord(@Valid Employee employee, BindingResult result) {
ModelAndView modelAndView = new ModelAndView();
if (result.hasErrors()) {
logger.info("Validation errors while submitting form.");
modelAndView.setViewName("CreateRecord");
modelAndView.addObject("employee", employee);
return modelAndView;
}
someRecord.addRecord(employee);
modelAndView.addObject("allRecords", someRecord.getAllRecordData());
modelAndView.setViewName("recordsInfo");
logger.info("Form submitted successfully.");
return modelAndView;
}
@GetMapping("/view")
public String view() {
return "view";
}
}
如果还需要什么,请告诉我。谢谢你的帮助。
发布于 2018-06-19 10:51:06
您应该使用*{employeeName}
和*{employeeId}
,而不是*{empname}
和*{empid}
。(匹配getter和setter,而不是私有变量。)
https://stackoverflow.com/questions/50916965
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