小编Max*_*Zoo的帖子

数据存储:Put上的实体类型无效

我正在尝试创建一个围绕我的种类的包装器,这是我如何做到这一点:

package model

import (
    "time"
)

type Kind interface {
    Name() string
}

type Message struct {
    Text      string
    CreatedOn time.Time
    UserId    string
}

func (q Message) Name() string {
    return "MESSAGE"
}
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我介绍的原因type Kind interface是:

// Stores the given model for the the kind in data store
func Store(req *http.Request, data Kind) error {
    ctx := appengine.NewContext(req)
    key := datastore.NewKey(ctx, data.Name(), "", 0, nil)
    _, err := datastore.Put(ctx, key, &data)
    return err
}
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正如你所看到的,我正在使用data.Name()各种名称. …

google-app-engine go google-cloud-datastore

7
推荐指数
1
解决办法
4136
查看次数

Maven - 套餐不存在

我正在尝试构建我的项目并且我一直收到错误,说包不存在为什么IDE说它没问题(没有编译错误).显然,我的pom.xml和IDE编译方式之间的某些内容并不一致.

这是我的项目结构如何: 在此输入图像描述

这是我的pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion>

    <groupId>com.oo</groupId>
    <artifactId>employeeservice</artifactId> <!-- Docker complains if the name contains upper case -->
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>EmployeeService</name>
    <description>This service takes care of all the employee related operations</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.3.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build> …
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java intellij-idea maven spring-boot

5
推荐指数
1
解决办法
1763
查看次数