snaker-core/src/main/java/org/snaker/engine/helper/StringHelper.java
public static String getStringByArray(String... strArray) {
		if(strArray == null) return "";
		StringBuilder buffer = new StringBuilder(strArray.length * 10);
		for(String str : strArray) {
			buffer.append(str).append(",");
		}
		buffer.deleteCharAt(buffer.length() - 1);
		return buffer.toString();
	}
public static String getStringByArray(String... strArray) {
		if(strArray == null) return "";
		StringBuilder buffer = new StringBuilder(strArray.length * 10);
		for(String str : strArray) {
			buffer.append(str).append(",");
		}
		buffer.deleteCharAt(buffer.length() - 1);
		return buffer.toString();
	}
根据字符串数组返回逗号分隔的字符串值
@param strArray 字符串数组
@return 逗号分隔的字符串