Java使用Spring JdbcTemplate向in语句中传递参数的教程详解

//查询id等于123的用户信息
String sql = "select * from user where id = ?"; 
Map<String, Object> args = new HashMap<>();
args.put("id", 123);
jdbcTemplate.queryForList(sql, args , User.class )

//查询id为1,2,3的用户信息
String sql = "select * from user where id in (?)"; 
Map<String, Object> args = new HashMap<>();
int[] ids = {1,2,3}
args.put("id", ids);
jdbcTemplate.queryForList(sql, args , User.class ); 

//不符合sql语句规范
select * from user where id in ([1,2,3])

String ids = "1,2,3";
String sql = "select * from user where id in (" + ids +")";

String ids = "'1','2','3'";
String sql = "select * from user where id in (" + ids +")";

String sql = "select * from user where name in (:names)";
String[] arr = {"张三","李四","王五"};
ArrayList<String> names = new ArrayList<String>(Arrays.asList(arr));
Map<String, Obeject> args = new HashMap<String,Object>();
args.put("names", names);
NamedParameterJdbcTemplate jdbcTmeplate = new NameParameterJdbcTemplate(jdbctemplate);
jdbcTemplate.queryForList(sql,args);