//reqeust.getParameter获取字符串直接赋值
1 public static Date date(String date_str) {
2 try {
3 Calendar zcal = Calendar.getInstance();//日期类
4 Timestamp timestampnow = new Timestamp(zcal.getTimeInMillis());//转换成正常的日期格式
5 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");//改为需要的东西
6 ParsePosition pos = new ParsePosition(0);
7 java.util.Date current = formatter.parse(date_str, pos);
8 timestampnow = new Timestamp(current.getTime());
9 return timestampnow;
10 }
11 catch (NullPointerException e) {
12 return null;
13 }
14 }
1 //Date类型转换成String类型
2 public static String toJson(Object obj){
3 String reuqest=null;
4 //对象映射
5 ObjectMapper mapper=new ObjectMapper();
6 //设置时间格式
7 SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy年MM月dd日");
8 mapper.setDateFormat(dateFormat);
9 try {
10 reuqest=mapper.writeValueAsString(obj);
11 } catch (JsonProcessingException e) {
12 // TODO Auto-generated catch block
13 e.printStackTrace();
14 }
15 return reuqest;
16 }
//String类型转换成Date类型
1 public static Date date(String date_str) {
2 try {
3 Calendar zcal = Calendar.getInstance();//日期类
4 Timestamp timestampnow = new Timestamp(zcal.getTimeInMillis());//转换成正常的日期格式
5 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");//改为需要的东西
6 ParsePosition pos = new ParsePosition(0);
7 java.util.Date current = formatter.parse(date_str, pos);
8 timestampnow = new Timestamp(current.getTime());
9 return timestampnow;
10 }
11 catch (NullPointerException e) {
12 return null;
13 }
14 }
