例如：#config.cfg define server{ userName xiaoming hostName window alias XP hostIP 192.168.1.1 } define client{ userName changchun hostName Linux alias ubuntu hostIP 192.168.1.2 } define server{ userName xiaoming1 hostName window alias XP1 hostIP 192.168.1.3 } define client{ userName changchun1 hostName Linux alias ubuntu1 hostIP 192.168.1.4 } ... ...
2 回答
藍(lán)山帝景
TA貢獻(xiàn)1843條經(jīng)驗(yàn) 獲得超7個(gè)贊
其實(shí)很簡單的
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class CfgWriter {
private PrintWriter out;
private static final String DEFINE = "define";
public CfgWriter(File file) throws FileNotFoundException {
super();
this.out = new PrintWriter(file);
}
public void writeComment(String comment) {
out.print('#');
out.println(comment);
}
public void startDefine(String name) {
out.print(DEFINE);
out.print(' ');
out.print(name);
out.println('{');
}
public void writeProperty(String key, String value) {
out.print(' ');
out.print(key);
out.print('\t');
out.println(value);
}
public void endDefine() {
out.println('}');
}
public void close() {
out.close();
}
public static void main(String[] args) throws Exception {
CfgWriter w = new CfgWriter(new File("d:/config.cfg"));
w.writeComment("config.cfg");
w.startDefine("Server");
w.writeProperty("Id", "0001");
w.writeProperty("Name", "xxxx");
w.writeProperty("Amount", "100");
w.endDefine();
w.close();
}
}
郎朗坤
TA貢獻(xiàn)1921條經(jīng)驗(yàn) 獲得超9個(gè)贊
方法有好多，最直接的就是自己控制字符串的格式來寫文件，就是復(fù)雜了點(diǎn)。
比較好的可以用模板引擎，如freemarker、velocity什么的，生成字符串再寫文件。
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