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sql语句中如何把别名当作过滤条件?

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数据库

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Mybatis 中如何通过下标取出对象中的数组属性的值?

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mybatis

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jibcTemplate , 查询单个或多个，代码重复

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1

JDBC 数据库

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jpa实体类存在，无法生成表格的原因

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1

springboot

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class="cursor-pointer"> 源码

@Entity
@Table(name = "role")
public class Role implements Serializable {
    @Id
    @GeneratedValue
    @Column(unique = true)
        private String id;

        private String name;

        private String jsms;

        private String bz;

        private Integer jlzt;

        private String glbm;

        private String userid;

        private static final long serialVersionUID = 1L;

        public String getId() {
            return id;
        }

        public void setId(String id) {
            this.id = id == null ? null : id.trim();
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name == null ? null : name.trim();
        }

        public String getJsms() {
            return jsms;
        }

        public void setJsms(String jsms) {
            this.jsms = jsms == null ? null : jsms.trim();
        }

        public String getBz() {
            return bz;
        }

        public void setBz(String bz) {
            this.bz = bz == null ? null : bz.trim();
        }

        public Integer getJlzt() {
            return jlzt;
        }

        public void setJlzt(Integer jlzt) {
            this.jlzt = jlzt;
        }

        public String getGlbm() {
            return glbm;
        }

        public void setGlbm(String glbm) {
            this.glbm = glbm == null ? null : glbm.trim();
        }

        public String getUserid() {
            return userid;
        }

        public void setUserid(String userid) {
            this.userid = userid == null ? null : userid.trim();
        }

        @Override
        public boolean equals(Object that) {
            if (this == that) {
                return true;
            }
            if (that == null) {
                return false;
            }
            if (getClass() != that.getClass()) {
                return false;
            }
            Role other = (Role) that;
            return (this.getId() == null ? other.getId() == null : this.getId().equals(other.getId()))
                    && (this.getName() == null ? other.getName() == null : this.getName().equals(other.getName()))
                    && (this.getJsms() == null ? other.getJsms() == null : this.getJsms().equals(other.getJsms()))
                    && (this.getBz() == null ? other.getBz() == null : this.getBz().equals(other.getBz()))
                    && (this.getJlzt() == null ? other.getJlzt() == null : this.getJlzt().equals(other.getJlzt()))
                    && (this.getGlbm() == null ? other.getGlbm() == null : this.getGlbm().equals(other.getGlbm()))
                    && (this.getUserid() == null ? other.getUserid() == null : this.getUserid().equals(other.getUserid()));
        }

        @Override
        public int hashCode() {
            final int prime = 31;
            int result = 1;
            result = prime * result + ((getId() == null) ? 0 : getId().hashCode());
            result = prime * result + ((getName() == null) ? 0 : getName().hashCode());
            result = prime * result + ((getJsms() == null) ? 0 : getJsms().hashCode());
            result = prime * result + ((getBz() == null) ? 0 : getBz().hashCode());
            result = prime * result + ((getJlzt() == null) ? 0 : getJlzt().hashCode());
            result = prime * result + ((getGlbm() == null) ? 0 : getGlbm().hashCode());
            result = prime * result + ((getUserid() == null) ? 0 : getUserid().hashCode());
            return result;
        }

}

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关于缓存以及序列化的问题

2

1

缓存相关

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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spring配置文件applicationContext.xml表头

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1

spring

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idea中打的jar包运行没有主清单属性

1

1

maven

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加载配置文件出错

1

1

spring

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idea打完jar包后，在dos窗口里运行jar包

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1

maven

class="cursor-pointer"> 详细描述

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mybatis的mapper文件加载错误

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1

class="cursor-pointer"> 详细描述

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