SpringBoot 增删改查Demo

使用MySql数据库，数据表可自动生成，包括增删改查，两种更新方法（原生SQL方法和save()方法）

package lmycc.test.demo;

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

@SpringBootApplication
public class DemoApplication {

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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        249  2017-10-11 20:06  demo\.gitignore

     文件        293  2017-10-22 18:23  demo\.idea\artifacts\demo_war.xml

     文件       6672  2017-10-22 19:47  demo\.idea\artifacts\demo_war_exploded.xml

     文件        620  2017-10-11 22:10  demo\.idea\compiler.xml

     文件        263  2017-10-12 21:24  demo\.idea\encodings.xml

     文件      43370  2017-10-11 22:10  demo\.idea\inspectionProfiles\Project_Default.xml

     文件        462  2017-10-12 21:04  demo\.idea\libraries\Maven__antlr_antlr_2_7_7.xml

     文件        575  2017-10-11 22:10  demo\.idea\libraries\Maven__ch_qos_logback_logback_classic_1_1_11.xml

     文件        554  2017-10-11 22:10  demo\.idea\libraries\Maven__ch_qos_logback_logback_core_1_1_11.xml

     文件        522  2017-10-11 22:10  demo\.idea\libraries\Maven__com_fasterxml_classmate_1_3_4.xml

     文件        644  2017-10-11 22:10  demo\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_annotations_2_8_0.xml

     文件        602  2017-10-11 22:10  demo\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_core_2_8_10.xml

     文件        630  2017-10-11 22:10  demo\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_databind_2_8_10.xml

     文件        546  2017-10-11 22:10  demo\.idea\libraries\Maven__com_jayway_jsonpath_json_path_2_2_0.xml

     文件        700  2017-10-11 22:10  demo\.idea\libraries\Maven__com_vaadin_external_google_android_json_0_0_20131108_vaadin1.xml

     文件        462  2017-10-12 21:04  demo\.idea\libraries\Maven__dom4j_dom4j_1_6_1.xml

     文件        608  2017-10-12 21:04  demo\.idea\libraries\Maven__javax_transaction_javax_transaction_api_1_2.xml

     文件        611  2017-10-11 22:10  demo\.idea\libraries\Maven__javax_validation_validation_api_1_1_0_Final.xml

     文件        455  2017-10-11 22:10  demo\.idea\libraries\Maven__junit_junit_4_12.xml

     文件        574  2017-10-12 21:28  demo\.idea\libraries\Maven__mysql_mysql_connector_java_5_1_44.xml

     文件        542  2017-10-11 22:10  demo\.idea\libraries\Maven__net_minidev_accessors_smart_1_1.xml

     文件        521  2017-10-11 22:10  demo\.idea\libraries\Maven__net_minidev_json_smart_2_2_1.xml

     文件        625  2017-10-11 22:10  demo\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_core_8_5_20.xml

     文件        611  2017-10-11 22:10  demo\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_el_8_5_20.xml

     文件        660  2017-10-11 22:10  demo\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_websocket_8_5_20.xml

     文件        559  2017-10-12 21:04  demo\.idea\libraries\Maven__org_apache_tomcat_tomcat_jdbc_8_5_20.xml

     文件        559  2017-10-12 21:04  demo\.idea\libraries\Maven__org_apache_tomcat_tomcat_juli_8_5_20.xml

     文件        549  2017-10-12 21:04  demo\.idea\libraries\Maven__org_aspectj_aspectjweaver_1_8_10.xml

     文件        535  2017-10-11 22:10  demo\.idea\libraries\Maven__org_assertj_assertj_core_2_6_0.xml

     文件        532  2017-10-11 22:10  demo\.idea\libraries\Maven__org_hamcrest_hamcrest_core_1_3.xml

............此处省略122个文件信息