增加耗时计算，finish

src/me/yoqi/composename/Compose.java

@@ -1,6 +1,8 @@
 package me.yoqi.composename;
 
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Date;
 
 import qh.lqg.utils.Messages;
 import qh.lqg.utils.TextHelper;
@@ -17,7 +19,9 @@ import qh.lqg.utils.TextHelper;
 public class Compose {
 
 	public static void main(String args[]) throws Exception {
-
+		SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 设置日期格式
+		System.out.println(df.format(new Date()));// new Date()为获取当前系统时间
+		long starTime = System.currentTimeMillis();
 		String dataUrl = Messages.getString("Compose.data");
 		String resultUrl = "data/result.txt";
 		String result = "";
@@ -25,18 +29,26 @@ public class Compose {
 		TextHelper textHelper = new TextHelper();
 		ArrayList<String> allChinese = textHelper.readTextByWord(dataUrl);
 		ArrayList<String> allChineseName = new ArrayList<String>();
+		int flag = 0;
 		// 两两组合
 		for (int i = 0; i < allChinese.size(); i++) {
 			for (int j = i + 1; j < allChinese.size(); j++) {
 				allChineseName.add(allChinese.get(i) + allChinese.get(j));
+				// 内存10万个值存一次磁盘，再清空再缓存。
+				flag++;
+				if (flag % 10000 == 0) {
+					for (int k = 0; k < allChineseName.size(); k++) {
+						result += allChineseName.get(k) + "    ";
+					}
+					TextHelper.writeText(resultUrl, result);
+					allChineseName = new ArrayList<String>();
+					System.out.println(flag);
+				}
 			}
 		}
-		// 打印输出
-		for (int k = 0; k < allChineseName.size(); k++) {
-			// result += allChineseName.get(k)+
-			// System.getProperty("line.separator");
-			result += allChineseName.get(k) + "    ";
-		}
-		TextHelper.writeText(resultUrl, result);
+		long endTime = System.currentTimeMillis();
+		long Time = endTime - starTime;
+		System.out.println(df.format(new Date()));// new Date()为获取当前系统时间
+		System.out.println("总共耗时：" + Time);
 	}
 }