//取字符串前几位
String str="2015-10-10 15:00";
Log.d("wy1", "截取的新字符串为: " + str.substring(0,str.length()-6));
//取字符串后几位
String str="2015-10-10 15:00";
int length=5; //获取后5位
String result=str.substring(str.length()-length,str.length());
Log.d("wy", "时分:"+result);
String str="2015-10-10 15:00";
Log.d("wy1", "截取的新字符串为: " + str.substring(0,str.length()-6));
//取字符串后几位
String str="2015-10-10 15:00";
int length=5; //获取后5位
String result=str.substring(str.length()-length,str.length());
Log.d("wy", "时分:"+result);