实体里用的java.util.date,数据库用的是datetime,页面是字符串<input type="date">。将页面标签<input type="date">的内容添加到数据库
实体
public class BaseInformation { //信息主键 private String id; //信息标题 private String title; //信息类型id(需要在数据字典定义) private String typeCode; //属性id(需要在数据字典定义) private String propertityId; //信息可视范围,部门可见或者整个单位可见,值是组织结构的id private String scope; //内容 private String content; //发布人id private String releaseId; //是否发布,1发布,0保存 private Integer released; //接收人id,对应tb_base_information_receiver的主键 private String receiver; //创建时间就是发布时间 private Date createDate; //更新时间 private Date updateDate; //开始时间 private Date beginDate; //结束时间 private Date endDate; //定时器,规定什么时候发布信息 private Date timer;
。。。。。省略getter和setter
表
CREATE TABLE `tb_base_information` ( `id` varchar(48) NOT NULL, `title` varchar(128) DEFAULT NULL COMMENT "标题", `type_code` varchar(48) DEFAULT NULL COMMENT "类型id(需要在数据字典定义),公告、新闻等", `propertity_id` varchar(48) DEFAULT NULL COMMENT "属性id(需要在数据字典定义)", `scope` varchar(255) DEFAULT NULL COMMENT "信息可视范围,部门可见或者整个单位可见,值是组织结构的id", `content` text COMMENT "内容", `release_id` varchar(48) DEFAULT NULL COMMENT "发布人id", `released` int(11) DEFAULT NULL COMMENT "是否发送,1发送0保存为草稿", `create_date` datetime DEFAULT NULL COMMENT "创建时间", `update_date` datetime DEFAULT NULL COMMENT "更新时间", `begin_date` datetime DEFAULT NULL COMMENT "信息有效期的起始时间", `end_date` datetime DEFAULT NULL COMMENT "信息有效期的结束时间", `timer` datetime DEFAULT NULL COMMENT "定时器,指定发送信息的时间", `expiry_date` datetime DEFAULT NULL COMMENT "是否永久有效,1是0否", `to_top` int(1) DEFAULT NULL COMMENT "信息是否置顶,1置顶,0否", `mark_star` int(1) DEFAULT NULL COMMENT "做星标标记用,1在星标公告里显示,0否", `receiver` varchar(48) DEFAULT NULL COMMENT "接收人id,对应tb_base_information_receiver的主键", PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT="信息发布表";
页面
<form name="form" method="post" action="/information/test" enctype="multipart/form-data"> 类型:<input type="text" name="typeCode" ><br/> 标题:<input type="text" name="title" ><br/> 内容:<textarea name="content" cols="30" rows="10"></textarea><br/> 创建时间:<input type="date" name="createDate"/><br/> 更新时间:<input type="date" name="updateDate"/><br/> 有效期开始时间:<input type="date" name="beginDate"/><br/> 有效期结束时间:<input type="date" name="endDate"/><br/> 定时器:<input type="date" name="timer"/><br/> <input type="submit" value="提交"> </form>
controller
@RequestMapping("/test") public String test(BaseInformation baseInformation, HttpServletRequest request) throws Exception { String id = UUID.randomUUID().toString(); baseInformation.setId(id); //baseInformation.setId(UUID.randomUUID().toString().replaceAll("-","")); System.out.println("request.getParameter(createDate)" + request.getParameter("createDate")); Date createDate = new SimpleDateFormat("yyyy-MM-dd").parse(request.getParameter("createDate")); Date updateDate = new SimpleDateFormat("yyyy-MM-dd").parse(request.getParameter("createDate")); Date beginDate = new SimpleDateFormat("yyyy-MM-dd").parse(request.getParameter("beginDate")); Date endDate = new SimpleDateFormat("yyyy-MM-dd").parse(request.getParameter("endDate")); Date timer = new SimpleDateFormat("yyyy-MM-dd").parse(request.getParameter("timer")); baseInformation.setCreateDate(createDate); baseInformation.setUpdateDate(updateDate); baseInformation.setBeginDate(beginDate); baseInformation.setEndDate(endDate); baseInformation.setTimer(timer); service.save(baseInformation); return "information/test"; }
运行结果
Field error in object "baseInformation" on field "createDate": rejected value [2018-11-08]; codes [typeMismatch.baseInformation.createDate,typeMismatch.createDate,typeMismatch.java.util.Date,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [baseInformation.createDate,createDate]; arguments []; default message [createDate]]; default message [Failed to convert property value of type "java.lang.String" to required type "java.util.Date" for property "createDate"; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [java.util.Date] for value "2018-11-08"; nested exception is java.lang.IllegalArgumentException] at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:117) at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121) at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:158) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) at javax.servlet.http.HttpServlet.service(HttpServlet.java:650) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
修改方法
修改实体
string和date的类型转换失败,此时在实体中,对需要进行转换的类型添加如下注解,实现java.lang.String和java.util.Date之间自动转换
@DateTimeFormat(pattern="yyyy-MM-dd")//页面写入数据库时格式化 @JSONField(format="yyyy-MM-dd")//数据库导出页面时json格式化
即
修改contoller
既然java.lang.String和java.util.Date之间可以自动转换了,后台就不需要通过request获取参数来进行转换,可以将红方格中的注释掉
依赖添加
1.注解@JsonFormat
<!--JsonFormat--> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>2.8.8</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.8.8</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency>
2.注解@DateTimeFormat
@DateTimeFormat的使用和@jsonFormat差不多,首先需要引入是spring还有jodatime,spring我就不贴了
<!-- joda-time --> <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>2.3</version> </dependency>
关于@DateTimeFormat和@JsonFormat还可以参考http://www.zzvips.com/article/203164.html
以上为个人经验,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/beidaol/article/details/84637984