{"id":13184,"date":"2024-03-15T02:01:49","date_gmt":"2024-03-15T02:01:49","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-are-the-methods-for-passing-a-list-in-mybatis\/"},"modified":"2025-08-05T13:04:52","modified_gmt":"2025-08-05T13:04:52","slug":"what-are-the-methods-for-passing-a-list-in-mybatis","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-are-the-methods-for-passing-a-list-in-mybatis\/","title":{"rendered":"Passing List in MyBatis: Methods and Examples"},"content":{"rendered":"

MyBatis offers several methods for passing in a List.<\/p>\n

    \n
  1. Passing in multiple values as a parameter using a List. In the method of the Mapper interface, you can directly use a List as a parameter, and use a foreach loop in the SQL statement to iterate through the values in the List.<\/li>\n<\/ol>\n
    public<\/span> interface<\/span> UserMapper<\/span> {\r\n    List<User> getUserList<\/span>(List<String> ids)<\/span>;\r\n}\r\n<\/code><\/pre>\n
    <select<\/span> id<\/span>=\"getUserList\"<\/span> parameterType<\/span>=\"java.util.List\"<\/span>><\/span>\r\n    SELECT * FROM users WHERE id IN\r\n    <foreach<\/span> item<\/span>=\"item\"<\/span> collection<\/span>=\"list\"<\/span> separator<\/span>=\",\"<\/span> open<\/span>=\"(\"<\/span> close<\/span>=\")\"<\/span>><\/span>\r\n        #{item}\r\n    <\/foreach<\/span>><\/span>\r\n<\/select<\/span>><\/span>\r\n<\/code><\/pre>\n
      \n
    1. Pass multiple values by using an array as a parameter. Similar to List, just replace List with an array.<\/li>\n<\/ol>\n
      public<\/span> interface<\/span> UserMapper<\/span> {\r\n    List<User> getUserList<\/span>(String[] ids)<\/span>;\r\n}\r\n<\/code><\/pre>\n
      <select<\/span> id<\/span>=\"getUserList\"<\/span> parameterType<\/span>=\"java.lang.String[]\"<\/span>><\/span>\r\n    SELECT * FROM users WHERE id IN\r\n    <foreach<\/span> item<\/span>=\"item\"<\/span> collection<\/span>=\"array\"<\/span> separator<\/span>=\",\"<\/span> open<\/span>=\"(\"<\/span> close<\/span>=\")\"<\/span>><\/span>\r\n        #{item}\r\n    <\/foreach<\/span>><\/span>\r\n<\/select<\/span>><\/span>\r\n<\/code><\/pre>\n
        \n
      1. Pass multiple values as parameters using a wrapper class. Define a wrapper class to encapsulate the multiple values and use this wrapper class as a parameter in the Mapper interface method.<\/li>\n<\/ol>\n
        public<\/span> class<\/span> IdListWrapper<\/span> {\r\n    private<\/span> List<String> ids;\r\n\r\n    \/\/ getter and setter<\/span>\r\n}\r\n\r\npublic<\/span> interface<\/span> UserMapper<\/span> {\r\n    List<User> getUserList<\/span>(IdListWrapper idListWrapper)<\/span>;\r\n}\r\n<\/code><\/pre>\n
        <select<\/span> id<\/span>=\"getUserList\"<\/span> parameterType<\/span>=\"com.example.IdListWrapper\"<\/span>><\/span>\r\n    SELECT * FROM users WHERE id IN\r\n    <foreach<\/span> item<\/span>=\"item\"<\/span> collection<\/span>=\"ids\"<\/span> separator<\/span>=\",\"<\/span> open<\/span>=\"(\"<\/span> close<\/span>=\")\"<\/span>><\/span>\r\n        #{item}\r\n    <\/foreach<\/span>><\/span>\r\n<\/select<\/span>><\/span>\r\n<\/code><\/pre>\n
        All of these methods can achieve the function of passing in a List, so just choose the method that suits your specific requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"
        MyBatis offers several methods for passing in a List. Passing in multiple values as a parameter using a List. In the method of the Mapper interface, you can directly use a List as a parameter, and use a foreach loop in the SQL statement to iterate through the values in the List. public interface UserMapper […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[1738,87,10565,1459,125],"class_list":["post-13184","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-foreach","tag-java","tag-list-parameter","tag-mybatis","tag-sql"],"yoast_head":"\nPassing List in MyBatis: Methods and Examples - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to pass lists in MyBatis using foreach, IN clauses, and interface methods. 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