情景：
需求，需要做一个接口，请求体中的参数是string类型。
参数是一个批量的数据，json数组格式，所以需要把string的参数转换成list类型。
参数如下：
[
???{
???????"doctorCode": "0210000",
???????"hospitalName": "上海市第一人民医院",
???????"hospitalLevel": "三级甲等",
???????"hospitalProvince": "上海市",
???????"firstLevelDepartment": "临床科室",
???????"secondLevelDepartment": "急诊科",
???????"doctorName": "张三",
???????"doctorGender": "男",
???????"doctorProfessionalTitle": "一级医师",
???????"doctorCertificateNumber": "111000",
???????"verificationResult": "0",
???????"verificationTime": "2017/11/29",
???????"status": "0",
???????"remarks1": "备注1",
???????"remarks2": "备注2",
???????"remarks3": "备注3"
???},
???{
???????"doctorCode": "0210001",
???????"hospitalName": "上海市第二人民医院",
???????"hospitalLevel": "三级甲等",
???????"hospitalProvince": "上海市",
???????"firstLevelDepartment": "临床科室",
???????"secondLevelDepartment": "急诊科",
???????"doctorName": "李四",
???????"doctorGender": "男",
???????"doctorProfessionalTitle": "二级医师",
???????"doctorCertificateNumber": "111001",
???????"verificationResult": "0",
???????"verificationTime": "2017/12/4",
???????"status": "0",
???????"remarks1": "备注1",
???????"remarks2": "备注2",
???????"remarks3": "备注3"
???},
???????{
???????"doctorCode": "0210001",
???????"hospitalName": "上海市第二人民医院",
???????"hospitalLevel": "三级甲等",
???????"hospitalProvince": "上海市",
???????"firstLevelDepartment": "临床科室",
???????"secondLevelDepartment": "急诊科",
???????"doctorName": "王五",
???????"doctorGender": "男",
???????"doctorProfessionalTitle": "二级医师",
???????"doctorCertificateNumber": "111001",
???????"verificationResult": "0",
???????"verificationTime": "2017/12/4",
???????"status": "0",
???????"remarks1": "备注1",
???????"remarks2": "备注2",
???????"remarks3": "备注3"
???},
???????{
???????"doctorCode": "0210001",
???????"hospitalName": "上海市第二人民医院",
???????"hospitalLevel": "三级甲等",
???????"hospitalProvince": "上海市",
???????"firstLevelDepartment": "临床科室",
???????"secondLevelDepartment": "急诊科",
???????"doctorName": "赵六",
???????"doctorGender": "男",
???????"doctorProfessionalTitle": "二级医师",
???????"doctorCertificateNumber": "111001",
???????"verificationResult": "0",
???????"verificationTime": "2017/12/4",
???????"status": "0",
???????"remarks1": "备注1",
???????"remarks2": "备注2",
???????"remarks3": "备注3"
???}
]
=============================================================================
@RequestMapping(method={RequestMethod.POST}, value="/doctorss")
@ResponseBody
public int testDoctorInformation(@RequestBody String doctor) throws Exception{
logger.debug(DEBUG_PREFIX+"updateDoctorInformation begin,the doctor is:" + doctor);
logger.info(INFO_PREFIX+"updateDoctorInformation begin.");
int resultCode=1;
try {
ObjectMapper objMapper = new ObjectMapper();
JavaType javaType = getCollectionType(ArrayList.class, DoctorInformation.class);
List<DoctorInformation> list = (List<DoctorInformation>)objMapper.readValue(doctor,javaType );
for(DoctorInformation ll:list){
System.out.println(ll.getDoctorName());
}
logger.debug(DEBUG_PREFIX+"updateDoctorInformation end.");
logger.info(INFO_PREFIX+"updateDoctorInformation end");
} catch (Exception e) {
logger.error(ERROR_PREFIX+"execute updateDoctorInformation occur error,the exception is:"+e);
logger.error("系统异常", e);
resultCode=0;
throw e;
}
return resultCode;
}
???public static JavaType getCollectionType(Class<?> collectionClass, Class<?>... elementClasses) { ??
????ObjectMapper mapper = new ObjectMapper();
????return mapper.getTypeFactory().constructParametricType(collectionClass, elementClasses); ??
???}
Jackson将json字符串转换成泛型List
原文地址：http://www.cnblogs.com/huangtao1927/p/7979394.html