Java 类型转换工具类(持续更新)

简介

将项目中用到的类型转换做个记录。

详细代码

    @Component
    public class TypeUtil {
        // [start]字符串转各种格式
    
        // 字符串转日期(格式:"yyyyMMdd")
        public static Date StrToDateFirst(String str) {
            DateFormat format = new SimpleDateFormat("yyyyMMdd");
            Date date = null;
            try {
                date = format.parse(str);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            return date;
        }
    
        // 字符串转日期(格式:"dd/MM/yyyy")
        public static Date StrToDateSecond(String str) {
            DateFormat format = new SimpleDateFormat("dd/MM/yyyy");
            Date date = null;
            try {
                date = format.parse(str);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            return date;
        }
    
        // 字符串转日期(格式:"yyyy-MM-dd")
        public static Date StrToDateThird(String str) {
            DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
            Date date = null;
            try {
                date = format.parse(str);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            return date;
        }
    
        // 字符串转日期(格式:"yyyy-MM-dd HH:mm:ss")
        public static Date StrToDateFourth(String str) {
            DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date date = null;
            try {
                date = format.parse(str);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            return date;
        }
    
        // 字符串转Integer
        public static Integer StrToInteger(String str) {
            Integer integer = null;
            try {
                integer = Integer.valueOf(str);
            } catch (Exception e) {
                e.printStackTrace();
            }
            return integer;
        }
    
        // 字符串转Double
        public static Double StrToDouble(String str) {
            Double double1 = 0.00;
            try {
                double1 = Double.parseDouble(str);
            } catch (Exception e) {
                e.printStackTrace();
            }
            return double1;
        }
    
        // 字符串转时间戳
        public static Timestamp StrToTimeStamp(String str) {
            Timestamp timestamp = null;
            try {
                timestamp = Timestamp.valueOf(str);
            } catch (Exception e) {
                e.printStackTrace();
            }
            return timestamp;
        }
    
        // 字符串转BigDecimal
        public static BigDecimal StrTiBigdecimal(String str) {
            BigDecimal bigDecimal = null;
            try {
                bigDecimal = new BigDecimal(str);
            } catch (Exception e) {
                e.printStackTrace();
            }
            return bigDecimal;
        }
        // [end]
    
    }