package com.mlcp.config;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import com.mlcp.module.user.model.User;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class AuthInterceptor implements HandlerInterceptor {
public boolean preHandle(HttpServletRequest req, HttpServletResponse res, Object obj) throws Exception {
/*String testUserUuid = "test-123-12";
if(null == req.getSession().getAttribute("userUUid")) {
req.getSession().setAttribute("userUUid", testUserUuid);
}
return true;*/
User user=(User)req.getSession().getAttribute("user");
if(user==null) {
return false;
}
return true;
}
@Override
public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o,
ModelAndView modelAndView) throws Exception {
}
@Override
public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
Object o, Exception e) throws Exception {
}
}
package com.mlcp.config;
import java.io.IOException;
import java.util.List;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.Ordered;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializerProvider;
@Configuration
public class CustomWebMvcConfigurerAdapter extends WebMvcConfigurerAdapter {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("redirect:/login/login.html");
registry.setOrder(Ordered.HIGHEST_PRECEDENCE);
super.addViewControllers(registry);
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(new AuthInterceptor()).addPathPatterns("/**").excludePathPatterns("/login").excludePathPatterns("/register");
}
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
super.configureMessageConverters(converters);
converters.add(new MappingJackson2HttpMessageConverter());
}
@Bean
@Primary
@ConditionalOnMissingBean(ObjectMapper.class)
public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
ObjectMapper objectMapper = builder.createXmlMapper(false).build();
/*
* 返回的JSON字符串中含有我们并不需要的字段,那么当对应的实体类中不含有该字段时,会抛出一个异常,告诉你有些字段没有在实体类中找到
*/
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
SerializerProvider serializerProvider = objectMapper.getSerializerProvider();
// 允许单引号
//objectMapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);
// 字段和值都加引号
//objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
// 数字也加引号
//objectMapper.configure(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS, true);
//objectMapper.configure(JsonGenerator.Feature.QUOTE_NON_NUMERIC_NUMBERS, true);
//Null值输出空字符串
serializerProvider.setNullValueSerializer(new JsonSerializer<Object>() {
@Override
public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
jsonGenerator.writeString("");
}
});
return objectMapper;
}
}