SpringBoot里面没有我们之前常规web开发的WebContent（WebApp），它只有src目录

在src/main/resources下面有两个文件夹，static和templates springboot默认 static中放静态页面，而templates中放动态页面

在不使用第三方jar包的情况下, Springboot不能直接访问templates下的静态页面, 需要加其他jar包依赖。

代码如下

import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Controller;import org.springframework.util.ClassUtils;import org.springframework.web.bind.annotation.RequestMapping;import javax.servlet.ServletException;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.*;@Controllerpublic class PageController { private static ClassLoader classLoader = ClassUtils.getDefaultClassLoader(); private static final Logger log = LoggerFactory.getLogger(PageController.class); @RequestMapping("/") public void root(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.getRequestDispatcher("/index.html").forward(request, response); } @RequestMapping("**.html") public void page(HttpServletRequest request, HttpServletResponse response) throws IOException { InputStreamReader streamReader = null; try { String servletPath = request.getServletPath(); log.info(request.getMethod() + " " + servletPath); String filePath = "templates" + servletPath; InputStream inputStream = classLoader.getResourceAsStream(filePath); if (inputStream == null) { response.sendError(404); return; } streamReader = new InputStreamReader(inputStream); PrintWriter printWriter = response.getWriter(); response.setContentType("text/html"); int readChar; while ((readChar = streamReader.read()) != -1) { printWriter.write(readChar); } printWriter.flush(); } finally { if (streamReader != null) streamReader.close(); } }}

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