比如我有下面这样一个List,里面存放的是多个Employee对象。然后我想对这个List进行按照Employee对象的名字进行模糊查询。有什么好的解决方案么?
比如我输入的查询条件为“wang”,那么应该返回只包含employee1的List列表。
List list = new ArrayList();
Employee employee1 = new Employee();
employee1.setName("wangqiang");
employee1.setAge(30);
list.add(employee1);
Employee employee2 = new Employee();
employee2.setName("lisi");
list.add(employee2);
employee2.setAge(25);
方式一:
public List search(String name,List list){
List results = new ArrayList();
Pattern pattern = Pattern.compile(name);
for(int i=0; i < list.size(); i++){
Matcher matcher = pattern.matcher(((Employee)list.get(i)).getName());
if(matcher.matches()){
results.add(list.get(i));
}
}
return results;
}
上面那个是大小写敏感的,如果要求大小写不敏感,改成:
Pattern pattern = Pattern.compile(name,Pattern.CASE_INSENSITIVE);
并且上面那个是精确查询,如果要模糊匹配,matcher.find()即可以进行模糊匹配
上面那个是大小写敏感的,如果要求大小写不敏感,改成:
Pattern pattern = Pattern.compile(name,Pattern.CASE_INSENSITIVE);
并且上面那个是精确查询,如果要模糊匹配,matcher.find()即可以进行模糊匹配
public List search(String name,List list){
List results = new ArrayList();
Pattern pattern = Pattern.compile(name);
for(int i=0; i < list.size(); i++){
Matcher matcher = pattern.matcher(((Employee)list.get(i)).getName());
if(matcher.find()){
results.add(list.get(i));
}
}
return results;
}