java正则表达式解析短信模板详解编程语言

/** 
 *  
 */ 
package testJava.java; 
 
import java.util.HashMap; 
import java.util.Map; 
import java.util.Scanner; 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
 
/** 
 * @author xxx.sjtu 
 * @function 
 * @date 2016年4月12日 
 * @version 
 */ 
public class ReplaceTest { 
 
    /** 
     * @param args 
     */ 
    public static void main(String[] args) { 
        String tempalteContent = "您的“$CarBrand$”(车牌$CarPlateNum$)已经完成租用(订单号：$orderNo$)。本次租金收益$RentIncome$元，$ServiceExpense$$ServiceExpenseProxy$$You2RenterAdjust$$Renter2YouAdjust$$HardwareDeposit$$ownerTransDebt$$TotalIncome$在1个工作日后结算至您设置的银行卡中。您可在App车主收益页面查看详情"; 
        Map contentParamMap = new HashMap(); 
        contentParamMap.put("CarBrand", "奥迪"); 
        contentParamMap.put("CarPlateNum", "沪A0001"); 
        contentParamMap.put("orderNo", "1245221158"); 
        contentParamMap.put("RentIncome", "2000"); 
        contentParamMap.put("ServiceExpense", "平台服务费100元，"); 
         
        Scanner sc = new Scanner(tempalteContent); 
        StringBuffer buf = new StringBuffer(); 
        try{ 
            Pattern p = Pattern.compile("[$]([^$]*?)[$]"); 
            while (sc.hasNext()) { 
                System.out.println(sc.toString()); 
                Matcher m = p.matcher(sc.nextLine()); 
                while (m.find()) { //查找并替换参数 
                    System.out.println(m.group(1)); 
                    //从map中根据key获取值 
                    m.appendReplacement(buf, contentParamMap.get(m.group(1)) != null ? contentParamMap.get(m.group(1)).toString() : ""); 
                } 
                m.appendTail(buf); 
            } 
//            if(StringUtils.isEmpty(buf.toString())){ 
//                buf.append(tempalteContent); 
//            } 
        }catch(Exception e){ 
//            logger.error("替换短信模板内容报错！",e); 
            e.printStackTrace(); 
        }finally{ 
            sc.close(); 
        } 
        System.out.println("buf=" + buf); 
 
    } 
 
}