Freemarker的简单使用

package com.paic.util;

import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;

public class FreemarkerUtil {
    public Template getTemplate(String name){
        Template template=null;
        try {

            //通过Freemarker的Configration读取相应的ftl；
            Configuration cfg=new Configuration();
            //去哪里读取相应的ftl模板
         File file = new File("src/template") ;
       cfg.setDirectoryForTemplateLoading(file);
            //在莫办文件中寻找名字为name的模板
           template= cfg.getTemplate(name);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return  template;
    }
public void print(String name,Map<String,Object> rootMap){
    try {
        Template template = this.getTemplate(name);
        template.process(rootMap,new PrintWriter(System.out));
    } catch (TemplateException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}
public void fprint(String name,Map<String,Object> rootMap,String outFile){
FileWriter out=null;
    try {
        out =new FileWriter(new File("G:\\freemarker\\"+outFile));
        Template template = this.getTemplate(name);
        template.process(rootMap,out);
    } catch (IOException e) {
        e.printStackTrace();
    } catch (TemplateException e) {
        e.printStackTrace();
    }finally {
        if (null!=out){
            try {
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
}