修改命名规范

Author: enjoyCoding666

src/main/java/com/CsvUtils.java

@@ -23,7 +23,7 @@ public class CsvUtils {
      * @param outPutPath
      * @param filename
      */
-    public static void createCSVFile(String[] heads, List<Object[]> rows, String outPutPath, String filename)
+    public static void createCsvFile(String[] heads, List<Object[]> rows, String outPutPath, String filename)
     {
 
         // CsvWriter (and all other file writers) work with an instance of
@@ -64,7 +64,7 @@ public static void createCSVFile(String[] heads, List<Object[]> rows, String out
      * @return
      * @throws IOException
      */
-    public static List<String[]> ReadCSV(String filePath) throws IOException {
+    public static List<String[]> readCsv(String filePath) throws IOException {
 //        List<Object> eslImports = new ArrayList<Object>();
         File file = new File(filePath);
         InputStream in = new FileInputStream(file);

src/main/java/com/collection/list/ListUtils.java

@@ -0,0 +1,30 @@
+package com.collection.list;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class ListUtils {
+
+    public static String listToString(List<String> list){
+        if(list==null){
+            return null;
+        }
+        StringBuilder result = new StringBuilder();
+        boolean first = true;
+        //第一个前面不拼接","
+        for(String string :list) {
+            if(first) {
+                first=false;
+            }else{
+                result.append(",");
+            }
+            result.append(string);
+        }
+        return result.toString();
+    }
+
+    public static List<String> stringToList(String strs){
+        String[] str = strs.split(",");
+        return Arrays.asList(str);
+    }
+}