字符串数组转字符串

/**
* 数组转成字符串
* @param str
* @return
*/
public String arrayToString(String[] str) {
StringBuilder sb = new StringBuilder();
if(str == null || str.length == 0 || "".equals(str[0].trim())) {
return sb.append("[]").toString();
}
sb.append("[");
for (int i = 0; i < str.length; i++) {
sb.append('"');
sb.append(str[i]);
sb.append('"');
if(str.length >= 1 && i < str.length -1) {
if("".equals(str[i+1].trim())) {
i = str.length;
continue;
}
sb.append(",");
}
}
sb.append("]");
return sb.toString();
}