Data Formatting of Spring MVC

Data Formatting of Spring MVC

 

describe

 

Spring3 introduces a format converter (Formatter SPI) and a format service API (FormattingConversionService) to support formatting and display of data.

 

The core of Formatter SPI is to complete parsing and formatting conversion logic. It is used when parsing, printing/displaying localized object values ​​in web applications/client projects. For example, java.util.Date---- >java.lang.String print/display, java.lang.String---->java.util.Date, etc.

 

 

 

Spring's built-in format converters are as follows

 

 

 

Format with annotations

package cn.javass.chapter7.model;  
public class FormatterModel {  
    @NumberFormat(style=Style.NUMBER, pattern="#,###")  
    private int totalCount;  
    @NumberFormat(style=Style.PERCENT)  
    private double discount;  
    @NumberFormat(style=Style.CURRENCY)  
    private double sumMoney;  
      
    @DateTimeFormat(iso=ISO.DATE)   
    private Date registerDate;  
      
    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")   
    private Date orderDate;  
  
    // Abbreviated getter / setter  
}