需求：拆分短信内容，按照160个字符进行拆分，短信内容是英文

朱雀 2022-05-22 11:54 168阅读 0赞

package com.demo.aaa;
    
    import java.util.ArrayList;
    import java.util.List;
    
    /**
     * Hello world!
     *
     */
    public class App {
        
    	
    	private static int splitLen = 10;
    	
    	public static void main( String[] args ){
    		
    		String contents ="           iuy   012341112  12A9999977  a  12344 bcjs sisisisij  sjssye 19394 882373 s9sjj9878 i           ";
    	
    		List<String> contentList = new ArrayList<String>();
    		
    		try {
    			splitStr( contents,contentList) ;
    		} catch (Exception e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
    		System.out.println(contentList.size());
    		for(String str:contentList) {
    			System.out.println(str);
    		}
    		
        }
    	
    	
    	
    	public static void splitStr(String contents,List<String> contentList) throws Exception {
    		
    	
    		int len = splitLen+1;
    		if(contents!=null && contents.trim().length()==0) {
    			
    			return ;
    		}else if(contents.length()<splitLen+1) {
    			
    			len = contents.length();
    			contentList.add(contents);
    			return ;
    		}
    		
    		int index = 0;
    		boolean errorFlag = true;
    		String tempStr = contents.substring(0, len);
    		char[] chr = tempStr.toCharArray();
    		//空格
    		if(Character.isSpaceChar(chr[chr.length-1])) {
    			
    			errorFlag=false;
    			index = len-1;
    		}else {
    			//说明这是一个单词
    			for(int i = chr.length-2;i>=0;i--) {
    				
    				if(Character.isSpaceChar(chr[i])) {
    					
    					index = i;
    					errorFlag=false;
    					break;
    				}
    			}
    		}
    		if(errorFlag) {
    			throw new Exception("数据错误");
    		}
    		tempStr = contents.substring(0, index);
    		contents= contents.substring(index+1, contents.length()).trim();
    		if(tempStr.trim().length()>0) {
    			contentList.add(tempStr.trim());
    		}
    	
    		splitStr(contents,contentList); 
    	}
    	
    }