spring boot+websocket前后端简单demo

使用spring boot+websocket实现一个websocket连接，使用IDEA打开项目，运行Application.java运行后台，然后打开localhost:8080打开前端即可测试

package hello;

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

@SpringBootApplication
public class Application {

    public static void main（String[] args） {
        SpringApplication.run（Application.class args）;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-06-25 09:59  spring_websocket\
     文件         268  2018-06-25 09:47  spring_websocket\.gitignore
     目录           0  2018-06-29 10:55  spring_websocket\.idea\
     文件         644  2018-06-25 09:47  spring_websocket\.idea\compiler.xml
     文件         172  2018-06-25 09:47  spring_websocket\.idea\encodings.xml
     目录           0  2018-06-25 09:46  spring_websocket\.idea\inspectionProfiles\
     文件         155  2018-06-25 09:46  spring_websocket\.idea\inspectionProfiles\Project_Default.xml
     目录           0  2018-06-25 09:47  spring_websocket\.idea\libraries\
     文件         568  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__ch_qos_logback_logback_classic_1_2_3.xml
     文件         547  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__ch_qos_logback_logback_core_1_2_3.xml
     文件         522  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_classmate_1_3_4.xml
     文件         644  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_annotations_2_9_0.xml
     文件         595  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_core_2_9_6.xml
     文件         623  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_databind_2_9_6.xml
     文件         674  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_jackson_datatype_jackson_datatype_jdk8_2_9_6.xml
     文件         688  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_jackson_datatype_jackson_datatype_jsr310_2_9_6.xml
     文件         729  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_fasterxml_jackson_module_jackson_module_parameter_names_2_9_6.xml
     文件         546  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_jayway_jsonpath_json_path_2_4_0.xml
     文件         700  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__com_vaadin_external_google_android_json_0_0_20131108_vaadin1.xml
     文件         611  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__javax_annotation_javax_annotation_api_1_3_2.xml
     文件         611  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__javax_validation_validation_api_2_0_1_Final.xml
     文件         455  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__junit_junit_4_12.xml
     文件         536  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__net_bytebuddy_byte_buddy_1_7_11.xml
     文件         578  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__net_bytebuddy_byte_buddy_agent_1_7_11.xml
     文件         542  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__net_minidev_accessors_smart_1_2.xml
     文件         507  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__net_minidev_json_smart_2_3.xml
     文件         573  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__org_apache_logging_log4j_log4j_api_2_10_0.xml
     文件         608  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__org_apache_logging_log4j_log4j_to_slf4j_2_10_0.xml
     文件         625  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_core_8_5_31.xml
     文件         611  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_el_8_5_31.xml
     文件         660  2018-06-25 09:47  spring_websocket\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_websocket_8_5_31.xml
............此处省略84个文件信息