springboot投票系统

用springboot基于SSM写的在线投票系统，包含数据库和源码，采用Springboot技术，开发工具idea，下载后请配置运行环境。

/*
Licensed to the Apache Software Foundation （ASF） under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License Version 2.0 （the
“License“）; you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing
software distributed under the License is distributed on an
“AS IS“ BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
*/

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.Properties;

public class MavenWrapperDownloader {

    /**
     * Default URL to download the maven-wrapper.jar from if no ‘downloadUrl‘ is provided.
     */
    private static final String DEFAULT_DOWNLOAD_URL =
            “https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar“;

    /**
     * Path to the maven-wrapper.properties file which might contain a downloadUrl property to
     * use instead of the default one.
     */
    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
            “.mvn/wrapper/maven-wrapper.properties“;

    /**
     * Path where the maven-wrapper.jar will be saved to.
     */
    private static final String MAVEN_WRAPPER_JAR_PATH =
            “.mvn/wrapper/maven-wrapper.jar“;

    /**
     * Name of the property which should be used to override the default download url for the wrapper.
     */
    private static final String PROPERTY_NAME_WRAPPER_URL = “wrapperUrl“;

    public static void main（String args[]） {
        System.out.println（“- Downloader started“）;
        File baseDirectory = new File（args[0]）;
        System.out.println（“- Using base directory: “ + baseDirectory.getAbsolutePath（））;

        // If the maven-wrapper.properties exists read it and check if it contains a custom
        // wrapperUrl parameter.
        File mavenWrapperPropertyFile = new File（baseDirectory MAVEN_WRAPPER_PROPERTIES_PATH）;
        String url = DEFAULT_DOWNLOAD_URL;
        if （mavenWrapperPropertyFile.exists（）） {
            FileInputStream mavenWrapperPropertyFileInputStream = null;
            try {
                mavenWrapperPropertyFileInputStream = new FileInputStream（mavenWrapperPropertyFile）;
                Properties mavenWrapperProperties = new Properties（）;
                mavenWrapperProperties.load（mavenWrapperPropertyFileInputStream）;
                url = mavenWrapperProperties.getProperty（PROPERTY_NAME_WRAPPER_URL url）;
            } catch （IOException e） {
                Syst

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     文件        333  2019-06-15 14:54  vote\.gitignore

     文件        458  2019-06-25 14:14  vote\.idea\artifacts\vote_war.xml

     文件       6584  2019-06-25 14:14  vote\.idea\artifacts\vote_war_exploded.xml

     文件        772  2019-06-25 14:21  vote\.idea\compiler.xml

     文件        251  2019-06-15 14:54  vote\.idea\encodings.xml

     文件        533  2019-06-15 15:58  vote\.idea\inspectionProfiles\Project_Default.xml

     文件        644  2019-06-25 14:14  vote\.idea\libraries\Maven__ch_qos_logback_logback_classic_1_1_11.xml

     文件        623  2019-06-25 14:14  vote\.idea\libraries\Maven__ch_qos_logback_logback_core_1_1_11.xml

     文件        562  2019-06-25 14:14  vote\.idea\libraries\Maven__com_alibaba_druid_1_1_10.xml

     文件        591  2019-06-25 14:14  vote\.idea\libraries\Maven__com_fasterxml_classmate_1_3_4.xml

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     文件        671  2019-06-25 14:14  vote\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_core_2_8_11.xml

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     文件        615  2019-06-25 14:14  vote\.idea\libraries\Maven__com_jayway_jsonpath_json_path_2_2_0.xml

     文件        769  2019-06-25 14:14  vote\.idea\libraries\Maven__com_vaadin_external_google_android_json_0_0_20131108_vaadin1.xml

     文件        635  2019-06-25 14:14  vote\.idea\libraries\Maven__javax_persistence_persistence_api_1_0.xml

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     文件        524  2019-06-25 14:14  vote\.idea\libraries\Maven__junit_junit_4_12.xml

     文件        643  2019-06-25 14:14  vote\.idea\libraries\Maven__mysql_mysql_connector_java_5_1_47.xml

     文件        611  2019-06-25 14:14  vote\.idea\libraries\Maven__net_minidev_accessors_smart_1_1.xml

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     文件        736  2019-06-25 14:14  vote\.idea\libraries\Maven__nz_net_ultraq_thymeleaf_thymeleaf_layout_dialect_1_4_0.xml

     文件        520  2019-06-25 14:14  vote\.idea\libraries\Maven__ognl_ognl_3_0_8.xml

     文件        694  2019-06-25 14:14  vote\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_core_8_5_39.xml

     文件        680  2019-06-25 14:14  vote\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_el_8_5_39.xml

     文件        729  2019-06-25 14:14  vote\.idea\libraries\Maven__org_apache_tomcat_embed_tomcat_embed_websocket_8_5_39.xml

     文件        705  2019-06-25 14:14  vote\.idea\libraries\Maven__org_apache_tomcat_tomcat_annotations_api_8_5_39.xml

     文件        628  2019-06-25 14:14  vote\.idea\libraries\Maven__org_apache_tomcat_tomcat_jdbc_8_5_39.xml

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     文件        604  2019-06-25 14:14  vote\.idea\libraries\Maven__org_assertj_assertj_core_2_6_0.xml

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