微服务项目中怎么让登录用户信息共享

无论是token还是jwt，核心就是获取登录信息，然后放到SecurityContextHolder.getContext().setAuthentication(authResult)中。

token

token的话，只要在资源服务器中，进行校验token，底层代码中会把OAuth2Authentication放到SecurityContextHolder.getContext()中，这里的代码在上一篇博客有写，这里就不贴出来了。

认证服务器登录成功用户。往响应头中添加token信息

public class JwtLoginFilter extends UsernamePasswordAuthenticationFilter {
    private AuthenticationManager authenticationManager;
    private RsaKeyProperties prop;
    public JwtLoginFilter(AuthenticationManager authenticationManager, RsaKeyProperties prop) {
        this.authenticationManager = authenticationManager;
        this.prop = prop;
    @Override
    public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException {
        try {
            SysUser sysUser = new ObjectMapper().readValue(request.getInputStream(), SysUser.class);
            UsernamePasswordAuthenticationToken authRequest = new UsernamePasswordAuthenticationToken(sysUser.getUsername(), sysUser.getPassword());
            return authenticationManager.authenticate(authRequest);
        }catch (Exception e){
            try {
                response.setContentType("application/json;charset=utf-8");
                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                PrintWriter out = response.getWriter();
                Map resultMap = new HashMap();
                resultMap.put("code", HttpServletResponse.SC_UNAUTHORIZED);
                resultMap.put("msg", "用户名或密码错误！");
                out.write(new ObjectMapper().writeValueAsString(resultMap));
                out.flush();
                out.close();
            }catch (Exception outEx){
                outEx.printStackTrace();
            throw new RuntimeException(e);
    @Override
    public void successfulAuthentication(HttpServletRequest request, HttpServletResponse response, FilterChain chain, Authentication authResult) throws IOException, ServletException {
        SysUser user = new SysUser();
        user.setUsername(authResult.getName());
        user.setRoles((List<SysRole>) authResult.getAuthorities());
        String token = JwtUtils.generateTokenExpireInMinutes(user, prop.getPrivateKey(), 24 * 60);
        response.addHeader("Authorization", "Bearer "+token);
        try {
            response.setContentType("application/json;charset=utf-8");
            response.setStatus(HttpServletResponse.SC_OK);
            PrintWriter out = response.getWriter();
            Map resultMap = new HashMap();
            resultMap.put("code", HttpServletResponse.SC_OK);
            resultMap.put("msg", "认证通过！");
            out.write(new ObjectMapper().writeValueAsString(resultMap));
            out.flush();
            out.close();
        }catch (Exception outEx){
            outEx.printStackTrace();
资源服务器，可以从token中，拿到认证信息，在放到 SecurityContextHolder.getContext().setAuthentication(authResult);中
public class JwtVerifyFilter extends BasicAuthenticationFilter {
    private RsaKeyProperties prop;
    public JwtVerifyFilter(AuthenticationManager authenticationManager, RsaKeyProperties prop) {
        super(authenticationManager);
        this.prop = prop;
    @Override
    public void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
        String header = request.getHeader("Authorization");
        if (header == null || !header.startsWith("Bearer ")) {
            //如果携带错误的token，则给用户提示请登录！
            chain.doFilter(request, response);
            response.setContentType("application/json;charset=utf-8");
            response.setStatus(HttpServletResponse.SC_FORBIDDEN);
            PrintWriter out = response.getWriter();
            Map resultMap = new HashMap();
            resultMap.put("code", HttpServletResponse.SC_FORBIDDEN);
            resultMap.put("msg", "请登录！");
            out.write(new ObjectMapper().writeValueAsString(resultMap));
            out.flush();
            out.close();
        } else {
            //如果携带了正确格式的token要先得到token
            String token = header.replace("Bearer ", "");
            //验证tken是否正确
            Payload<SysUser> payload = JwtUtils.getInfoFromToken(token, prop.getPublicKey(), SysUser.class);
            SysUser user = payload.getUserInfo();
            if(user!=null){
                UsernamePasswordAuthenticationToken authResult = new UsernamePasswordAuthenticationToken(user.getUsername(), null, user.getAuthorities());
                SecurityContextHolder.getContext().setAuthentication(authResult);
                chain.doFilter(request, response);
                            
spring mongodb实例 mongodb整合springboot
                            
 一、依赖<dependency>
	<groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>二、启动类@SpringBootApplication
                            
mongodb导入多个json文件 mongodb数据库导入
                            
 前言遇到一个需求，要把别人的数据表导入到本地的mongodb数据库。MongoDB数据库导入步骤进入存放.dat数据源的文件，打开cmd，执行导入命令。下面解释导入命令具体怎么使用。 上面显示344个文档导入成功。0个文档导入失败，导入成功。使用了下面的命令：mongoimport -d student -c areas areas.dat该命令的参数说明：
-d后面的参数指明 要导进的本地数据库