public class SpiltUtil { public static String[] split(String msg, int length) { int len = msg.length(); if (len <= length) return new String[] { msg }; int count = len / length; count += len > length * count ? 1 : 0; String[] result = new String[count]; int pos = 0; int splitLen = length; for (int i = 0; i < count; i++) { if (i == count - 1) splitLen = len - pos; result[i] = msg.substring(pos, pos + splitLen); pos += splitLen; } return result; } public static void main(String[] args) { String temp = "Default values for the AllowUserInteraction and UseCaches parameters can be set using the methods setDefaultAllowUserInteraction and setDefaultUseCaches."; String[] ddd = split(temp, 50); System.out.println("temp length:" + temp.length()); for (int i = 0; i < ddd.length; i++) { System.out.println(i + " " + ddd[i] + "\t长度:" + ddd[i].length()); } } } //output //temp length:153 //0 Default values for the AllowUserInteraction and Us 长度:50 //1 eCaches parameters can be set using the methods se 长度:50 //2 tDefaultAllowUserInteraction and setDefaultUseCach 长度:50 //3 es. 长度:3