Spring Boot字符串转日期转换器示例

叁歲伎倆 2023-10-08 10:00 34阅读 0赞

package com.zhangxueliang.springbootelasticjob.demo1;
    
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    
    import org.springframework.core.convert.converter.Converter;
    
    public class StringToDateConverter implements Converter<String,Date> {
    
    	@Override
    	public Date convert(String source) {
    		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    		try {
    			return sdf.parse(source);
    		} catch (ParseException e) {
    			e.printStackTrace();
    		}
    		return null;
    	}
    
    }

package com.zhangxueliang.springbootelasticjob.demo1;
    
    import javax.annotation.PostConstruct;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.core.convert.ConversionService;
    import org.springframework.core.convert.support.GenericConversionService;
    import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
    import org.springframework.web.bind.support.WebBindingInitializer;
    import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
    
    
    @Configuration
    public class WebConfigBeans {
    	
    	@Autowired
    	private RequestMappingHandlerAdapter handlerAdapter;
    	
    	@PostConstruct
    	public void inittttt(){
    		ConfigurableWebBindingInitializer initializer = (ConfigurableWebBindingInitializer) handlerAdapter.getWebBindingInitializer();
    		GenericConversionService conversionService = (GenericConversionService) initializer.getConversionService();
    		conversionService.addConverter(new StringToDateConverter());
    	}
    	
    }