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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ``` User user= new User(); map.insertData(user, map, tableName); // 返回的主鍵 System.out.println(user.getId()); ``` ``` void insertData(@Param("user") User user, @Param("map") Map<String, Object> map, @Param("tableName") String tableName); ``` 主要是keyProperty 綁定給一個實體類, 沒有用到實體類就隨便找個去接收返回的主鍵 ``` <!-- selectKey 是查詢最新的自增id并返回 keyColumn 是 表中主鍵名稱, keyProperty 是綁定給 user對象里的id, 這個keyProperty 是關鍵, 我這里并沒有用到實體類, 但是不用實體類沒法接收到返回的主鍵, 所以這里傳了個實體類去接收, --> <insert id="insertData" useGeneratedKeys="true"> <selectKey keyColumn="id" keyProperty="user.id" order="AFTER" resultType="java.lang.Long"> select last_insert_id() </selectKey> insert into ${tableName} <foreach collection="map.keys" item="key" open="(" close=")" separator=","> ${key} </foreach> values <foreach collection="map.values" item="value" open="(" close=")" separator=","> #{value} </foreach> </insert> ```
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