?? rms.java
字號:
package main;
import javax.microedition.rms.*;
public class RMS {
private static RecordStore rs = null;
private static void openRMS() {
try {
rs = RecordStore.openRecordStore("db", true);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void save(String str) {
try {
if (rs == null) {
openRMS();
}
byte[] data = str.getBytes();
try {
byte[] rmsMobile = rs.getRecord(1);
rs.setRecord(1, data, 0, data.length);
System.out.println("set");
} catch (Exception e) {
System.out.println("add");
rs.addRecord(data, 0, data.length);
}
rs.closeRecordStore();
rs = null;
} catch (Exception e) {
e.printStackTrace();
}
}
public static String load() {
String str = "";
try {
if (rs == null) {
openRMS();
}
byte[] data = rs.getRecord(1);
str = new String(data);
rs.closeRecordStore();
rs = null;
} catch (Exception e) {
e.printStackTrace();
}
return str;
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -