解决String转JSON前转义符替换工具类，罗列常见转移符转义失败问题

灰太狼 2022-04-10 11:39 549阅读 0赞

public class StringToJson {
    
    	public static String toJsonString(String theString) {
    		theString = theString.replace(">", ">");
            theString = theString.replace("<", "<");
            theString = theString.replace(" ", " ");
            theString = theString.replace("\"", """);
            theString = theString.replace("\'", "'");
            theString = theString.replace("\\", "\\\\");//对斜线的转义
            theString = theString.replace("\n", "\\n");
            theString = theString.replace("\r", "\\r");
    		
    		return theString;
    		
    	}
    	
    	/**
         * JSON字符串特殊字符处理，比如：“\A1;1300”
         * @param s
         * @return String
         */
        public static String string2Json(String s) {      
            StringBuffer sb = new StringBuffer();      
            for (int i=0; i<s.length(); i++) {
            	char c = s.charAt(i);  
            	 switch (c){
            	 case '\"':      
                     sb.append("\\\"");      
                     break;      
                 case '\\':      
                     sb.append("\\\\");      
                     break;      
                 case '/':      
                     sb.append("\\/");      
                     break;      
                 case '\b':      
                     sb.append("\\b");      
                     break;      
                 case '\f':      
                     sb.append("\\f");      
                     break;      
                 case '\n':      
                     sb.append("\\n");      
                     break;      
                 case '\r':      
                     sb.append("\\r");      
                     break;      
                 case '\t':      
                     sb.append("\\t");      
                     break;      
                 default:      
                     sb.append(c);   
            	 }
             }    
            return sb.toString();   
            }
    
    }