Upload New File

张志墙_Mybatis1/src/main/java/com/mybatis/handle/ContentTypeHandler.java

+package com.mybatis.handle;
+package com.mybatis.handle;
+
+
+
+import com.mybatis.model.Context;
+import com.alibaba.fastjson.JSONObject;
+import org.apache.ibatis.type.BaseTypeHandler;
+import org.apache.ibatis.type.JdbcType;
+import org.apache.ibatis.type.MappedJdbcTypes;
+import org.apache.ibatis.type.MappedTypes;
+
+import java.sql.CallableStatement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+@MappedTypes(Context.class)
+@MappedJdbcTypes(JdbcType.VARCHAR)
+public class ContentTypeHandler extends BaseTypeHandler<Context> {
+
+    @Override
+    public void setNonNullParameter(PreparedStatement preparedStatement, int i, Context context, JdbcType jdbcType) throws SQLException {
+        String str = JSONObject.toJSONString(context);
+        preparedStatement.setString(i,str);
+    }
+
+    @Override
+    public Context getNullableResult(ResultSet resultSet, String s) throws SQLException {
+        String string = resultSet.getString(s);
+        return JSONObject.parseObject(string, Context.class);
+    }
+
+    @Override
+    public Context getNullableResult(ResultSet resultSet, int i) throws SQLException {
+        String string = resultSet.getString(i);
+        return JSONObject.parseObject(string, Context.class);
+    }
+
+    @Override
+    public Context getNullableResult(CallableStatement callableStatement, int i) throws SQLException {
+        String string = callableStatement.getString(i);
+        return JSONObject.parseObject(string, Context.class);
+
+    }
+}