public class Main {
public static void main(String args[]) {
//字符串拼接 :下边的sql语句的字符串原理拼接参考下边的分解步骤就明白了。
//sql = "insert into tb_articleType values ('" + single.getTypeName()+ "','" + single.getTypeInfo() + "')";
String string1 = "天海网:";
String string2 = "www.035123.com/sm";
// System.out.println("insert into tb_articleType values ('" + string1 + "','" + string2 + "')");
//System.out.println("insert into tb_articleType values ('" + string1 + "','" + string2 + "')");
System.out.println(" ('" + string1 + "','" + string2 + "')");
System.out.println(" ('");
System.out.println("')");
System.out.println(" ('"+"')");
System.out.println(" ('"+string1+"')");
System.out.println(" ('"+string1+","+"')");
System.out.println(" ('"+string1+"','"+"')");
System.out.println(" ('"+string1+"','"+string2+"')");
}
}
('天海网:','www.035123.com/sm')
('
')
('')
('天海网:')
('天海网:,')
('天海网:','')
('天海网:','www.035123.com/sm')