Java 如何传递表格';将列值添加到构造函数?
我是java新手 我有一个硬编码的构造函数,它有来自类(UserInfo)的参数。(如下所示) 我已经为硬编码参数创建了一个新活动。我想通过传递数据库表中输入的值来添加这些参数(不是硬编码的)Java 如何传递表格';将列值添加到构造函数?,java,android-studio,Java,Android Studio,我是java新手 我有一个硬编码的构造函数,它有来自类(UserInfo)的参数。(如下所示) 我已经为硬编码参数创建了一个新活动。我想通过传递数据库表中输入的值来添加这些参数(不是硬编码的) String CREATE_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + "(" + ID + " INTEGER PRIMARY KEY, " + Gender + " INTEGER, " +
String CREATE_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + "(" + ID + " INTEGER PRIMARY KEY, " +
Gender + " INTEGER, " +
Age + " INTEGER , " +
Height + " REAL, " +
Weight + " REAL,"+
Datetime + " DATETIME DEFAULT CURRENT_TIMESTAMP ) ";
My database has values like :
User_Id Gender Age Height Weight Datetime
1 Male 26 163.0 63.0 2020-06-02 10:07:07
您能帮助我,如何将表值传递给构造函数吗
String CREATE_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + "(" + ID + " INTEGER PRIMARY KEY, " +
Gender + " INTEGER, " +
Age + " INTEGER , " +
Height + " REAL, " +
Weight + " REAL,"+
Datetime + " DATETIME DEFAULT CURRENT_TIMESTAMP ) ";
My database has values like :
User_Id Gender Age Height Weight Datetime
1 Male 26 163.0 63.0 2020-06-02 10:07:07