import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
public class business {
public static class overhaulTaskDo{
private String isolation;
public String getIsolation() {
return isolation;
}
public void setIsolation(String isolation) {
this.isolation = isolation;
}
@Override
public boolean equals(Object o) {
if (o == null || getClass() != o.getClass()) return false;
overhaulTaskDo that = (overhaulTaskDo) o;
return Objects.equals(isolation, that.isolation);
}
@Override
public int hashCode() {
return Objects.hashCode(isolation);
}
public overhaulTaskDo() {
this.isolation = isolation;
}
@Override
public String toString() {
return "overhaulTaskDo{" +
"isolation='" + isolation + '\'' +
'}';
}
}
public static void main(String[] args) {
List<String> list = new ArrayList<>();
list.add("1");
list.add("2");
List<overhaulTaskDo> isoList = new ArrayList<>();
//isoList如何转换成list
// isoList.add((List<overhaulTaskDo>) list);
System.out.println("list:{}" + list);
//方法1: 循环遍历取值,再处理转换数据(成功)
for (int i = 0; i < list.size(); i++) {
overhaulTaskDo overhaulTaskDo = new overhaulTaskDo();
overhaulTaskDo.setIsolation(list.get(i));
isoList.add(overhaulTaskDo);
}
System.out.printf("isoList:{}"+isoList);
}
//方法二:用hutool工具类转换(失败)
// JSONArray jsonArray = JSONUtil.parseArray(list);
// System.out.println("jsonArray:{}" + jsonArray);
// List<overhaulTaskDo> listVOS = JSONUtil.toList(jsonArray, overhaulTaskDo.class);
// System.out.println("listVOS:" + listVOS);
//。 方法三:使用stream流转换(失败)
// List<overhaulTaskDo> entityList = isoList.stream()
// // 这里使用Lambda表达式进行强制类型转换,确保元素能转换为YourEntityClass类型
// .map(obj -> (overhaulTaskDo) obj)
// .collect(Collectors.toList());
// System.out.println("entityList:{}" + entityList);
// }
}
记录帖:记录一下List<Object>转换成List<xxxDo>的样式的办法,只有方法一成功了,方法二三都失败了。待完善