本项目Demo使用了PDF.js插件实现PDF在线阅读功能PDF.js插件下载地址

实测能用！

1、创建SpringBoot项目,目录结构如下：

2、进行项目配置：

pom.xml：

http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
4.0.0
com.han
online-read-pdf
0.0.1-SNAPSHOT
org.springframework.boot spring-boot-starter-parent 1.5.10.RELEASE
org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-thymeleaf

PDFApplication.java

package com.han;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class PDFApplication {
public static void main(String[] args) {
SpringApplication.run(PDFApplication.class, args);
}
}

IndexController.java

package com.han.controller;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class IndexController {

@RequestMapping(value = "/preview", method = RequestMethod.GET)  
public void pdfStreamHandler(HttpServletRequest request, HttpServletResponse response) {  
    //PDF文件地址  
    File file = new File("E:\\\\pdf\\\\pdf\\\\GJB 8748-2015(GJB 6482-2008k).pdf");  
    if (file.exists()) {  
        byte\[\] data = null;  
        FileInputStream input=null;  
        try {  
            input= new FileInputStream(file);  
            data = new byte\[input.available()\];  
            input.read(data);  
            response.getOutputStream().write(data);  
        } catch (Exception e) {  
            System.out.println("pdf文件处理异常：" + e);  
        }finally{  
            try {  
                if(input!=null){  
                    input.close();  
                }  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
    }  
}  

}

index.html

在线阅读PDF文件

运行结果效果图：