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Hutool是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。
package cn.hutool.core.convert.impl;
import cn.hutool.core.convert.AbstractConverter;
import cn.hutool.core.util.BooleanUtil;
/**
* 布尔转换器
*
*
* 对象转为boolean,规则如下:
*
*
* 1、数字0为false,其它数字为true
* 2、转换为字符串,形如"true", "yes", "y", "t", "ok", "1", "on", "是", "对", "真", "對", "√"为true,其它字符串为false.
*
*
* @author Looly
*/
public class BooleanConverter extends AbstractConverter {
private static final long serialVersionUID = 1L;
@Override
protected Boolean convertInternal(Object value) {
if (value instanceof Number) {
// 0为false,其它数字为true
return 0 != ((Number) value).doubleValue();
}
//Object不可能出现Primitive类型,故忽略
return BooleanUtil.toBoolean(convertToStr(value));
}
}
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