springboot:接收date类型的参数方式

springboot:接收date类型的参数

今天有个postmapping方法，地址都正确，就是死活进不去，真是奇怪了。

终于从日志中得出些端倪，见下：

只有这个属性报错，恰恰这个属性是Date型。

这句话说得更清楚：

"defaultMessage":"Failed to convert property value of type 'java.lang.String' to required type 'java.util.Date' for property 'expireTime'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@com.alibaba.fastjson.annotation.JSONField java.util.Date] for value '2018-06-29'; nested exception is java.lang.IllegalArgumentException",

查找资料，说只要在字段上加上注解：@DateTimeFormat(pattern="yyyy-MM-dd")

加上后就一切OK了。

springboot 传递Date等实体参数时候报错

传递参数Date时候报错：

"exception": "org.springframework.web.method.annotation.MethodArgumentTypeMismatchException",
"message": "Failed to convert value of type 'java.lang.String' to required type 'java.util.Date'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.web.bind.annotation.RequestParam java.util.Date] for value '2016-12-27 09:44:58'; nested exception is java.lang.IllegalArgumentException",
swagger2:
@ApiImplicitParam(name = "startDate", paramType = "query", value = "生效时间", dataType = "Date"),
@ApiImplicitParam(name = "endDate", paramType = "query", value = "失效时间", dataType = "Date"),

params由：

@RequestParam(value = "startDate", required = false) Date startDate,
@RequestParam(value = "endDate", required = false) Date endDate,

改为：

@ModelAttribute Date startDate,
@ModelAttribute Date endDate,

此时 参数传递正常 但是date值都存在切为当前时间

改回

@RequestParam(value = "startDate", required = false) Date startDate,
@RequestParam(value = "endDate", required = false) Date endDate,

并加入

@InitBinder
protected void initBinder(WebDataBinder binder) {
   binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"), true));
}

此时参数传递正常

时间段查询条件

if (startDate!=null) {//开始时间
   if(endDate!=null){//结束时间  结束时间部位空  查询时间段内数据
       predicates.add(criteriaBuilder.greaterThanOrEqualTo(root.get("endDate").as(Date.class), startDate ));//输入开始时间>=开始生效时间
       predicates.add(criteriaBuilder.lessThanOrEqualTo(root.get("startDate").as(Date.class), endDate ));//输入结束时间<=失效时间
   }else{
       predicates.add(criteriaBuilder.lessThanOrEqualTo(root.get("startDate").as(Date.class), startDate ));
       predicates.add(criteriaBuilder.greaterThanOrEqualTo(root.get("endDate").as(Date.class), startDate ));
   }
}

来源：https://www.cnblogs.com/huiy/p/9047613.html