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xkbeancomparator-samples 是xkbeancomparator( https://github.com/xkzhangsan/xkbeancomparator )的一个使用举例

(1)添加pom依赖

<dependency>  
  <groupId>com.github.xkzhangsan</groupId>    
  <artifactId>xkbeancomparator</artifactId>       
  <version>0.0.2</version>    
</dependency>    

(2)java bean类 User

import java.math.BigDecimal;

public class User { Integer id; String name; private BigDecimal point; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public BigDecimal getPoint() { return point; } public void setPoint(BigDecimal point) { this.point = point; }

}

(3)增加辅助日志类 UserLog

import java.util.HashMap;
import java.util.Map;

import com.xkzhangsan.xkbeancomparator.BeanComparator;
import com.xkzhangsan.xkbeancomparator.CompareResult;

public class UserLog{

private static final Map<String, String> propertyTranslationMap = new HashMap<>();

static {
	propertyTranslationMap.put("name", "用户名");
	propertyTranslationMap.put("point", "积分");
}

public static CompareResult getCompareResult(Object source, Object target){
	return BeanComparator.getCompareResult(source, target, propertyTranslationMap);
}

}

(4) 使用

@Test
public void test1() {
	User u1 = new User();
	u1.setId(1);
	u1.setName("aa");
	u1.setPoint(new BigDecimal("111111111111.12"));

	User u2 = new User();
	u2.setId(1);
	u2.setName("aa2");
	u2.setPoint(new BigDecimal("111111111111.15"));
	CompareResult compareResult = UserLog.getCompareResult(u1, u2);
	if (compareResult.isChanged()) {
		System.out.println(compareResult.getChangeContent());
	}
}

(5)输出结果

用户名:aa->aa2,积分:111111111111.12->111111111111.15,

(6)说明 instructions

上面是推荐用法,使用辅助日志类能统一维护一个java bean的注释map,简化调用。 The recommended usage, above, is to use secondary logging classes to uniformly maintain an annotated map of a Java bean, simplifying invocation.

欢迎提建议 Suggestions are welcome!

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