工欲善其事

Groovy 语法不是很懂，idea里也没有申明 DasTable 有哪些字段，一下代码是自己摸索的👇

import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil

/*
 * Available context bindings:
 *   SELECTION   Iterable<DasObject>
 *   PROJECT     project
 *   FILES       files helper
 */

typeMapping = [
        (~/(?i)int/)                      : "Int",
        (~/(?i)float|double|decimal|real/): "String",
        (~/(?i)datetime|timestamp/)       : "java.sql.Timestamp",
        (~/(?i)date/)                     : "java.sql.Date",
        (~/(?i)time/)                     : "java.sql.Time",
        (~/(?i)/)                         : "String"
]

FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable }.each { generate(it, dir) }
}

def generate(table, dir) {
    def className = javaName(table.getName(), true)
//    className = "test_" + new Date().getTime()
    def fields = calcFields(table)
    new File(dir, className + ".kt").withPrintWriter("utf-8") { out -> generate(out, className, fields, table) }
}

def generate(out, className, fields, table) {

    out.println "import com.fasterxml.jackson.annotation.JsonProperty"
    out.println "import org.springframework.data.annotation.Id"
    out.println "import org.springframework.data.relational.core.mapping.Table"
    out.println ""
    out.println ""
    out.println ""
    out.println "// bean"
    out.println "@Table(\"${table.getName()}\")"
    out.println "data class $className("
    fields.each() {
        if (it.keys) out.println "  @Id"
        if (it.commoent) out.println "  // ${it.commoent}"
        out.println "   var ${it.name}:${it.type},"
    }
    out.println ""
    out.println ")"
    out.println ""
    out.println "// DTORequest"
    out.println "data class ${className}DTORequest("
    fields.each() {
        if (!it.keys) {
            out.println "   @JsonProperty(\"${it.name}\")"
            out.println "   val ${it.name}:${it.type}?,"
        }

    }
    out.println ""
    out.println ")"
    out.println ""
    out.println "// DTOResponse"
    out.println "data class ${className}DTOResponse("
    fields.each() {
        out.println "   @JsonProperty(\"${it.name}\")"
        out.println "   var ${it.name}:${it.type},"
    }
    out.println ""
    out.println ")"
}

def calcFields(table) {
    DasUtil.getColumns(table).reduce([]) { fields, col ->
        def spec = Case.LOWER.apply(col.getDasType().getSpecification())
        def typeStr = typeMapping.find { p, t -> p.matcher(spec).find() }.value
        fields += [[
                           name    : javaName(col.getName(), false),
                           colName : col.getName(),
                           type    : typeStr,
                           commoent: col.getComment(),
                           keys    : "id".equals(Case.LOWER.apply(col.getName())),
                           orig    : col
                   ]]
    }
}

def javaName(str, capitalize) {
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    capitalize || s.length() == 1 ? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

下载：GeneratePOJOs.groovy

package com.isimple.nppm.commissioning.model.materials.chemical

import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil

/*
 * Available context bindings:
 *   SELECTION   Iterable<DasObject>
 *   PROJECT     project
 *   FILES       files helper
 */

typeMapping = [
        (~/(?i)int/)                      : "Integer",
        (~/(?i)float|double|decimal|real/): "String",
        (~/(?i)datetime|timestamp/)       : "LocalDateTime",
        (~/(?i)date/)                     : "LocalDate",
        (~/(?i)time/)                     : "LocalTime",
        (~/(?i)/)                         : "String"
]



FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable }.each { generate(it, dir) }
}

def generate(table, dir) {
    def className = javaName(table.getName(), true)
//    className = "test_" + new Date().getTime()
    def fields = calcFields(table)
    new File(dir, className + "Dto.java").withPrintWriter("utf-8") { out -> generate(out, className, fields, table) }
}

def generate(out, className, fields, table) {

    out.println "package com.isimple.nppm.commissioning.dto.materials.chemical;\n" +
            "\n" +
            "import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;\n" +
            "import com.alibaba.excel.annotation.ExcelProperty;\n" +
            "import com.alibaba.excel.annotation.format.DateTimeFormat;\n" +
            "import com.fasterxml.jackson.annotation.JsonFormat;\n" +
            "import com.isimple.common.poi.excel.annotation.Excel;\n" +
            "import lombok.Data;\n" +
            "\n" +
            "import java.io.Serializable;\n" +
            "import java.time.LocalDateTime;"
    out.println ""
    out.println ""
    out.println ""
    out.println ""
    out.println "/**\n" +
            " * 调试管理-物资管理-化学品- Dto对象\n" +
            " * @author: LiGuanglei\n" +
            " * @date: ${new Date()}\n" +
            " * @copyright: 国核信息科技有限公司\n" +
            " */"
    out.println "@Data"
    out.println "@Excel(\"${className}\")"
    out.println "@ExcelIgnoreUnannotated"
    out.println "public class ${className}Dto implements Serializable {"
    out.println ""
    fields.each() {
        if (it.commoent) {
            out.println "  /**"
            out.println "  * ${it.commoent}"
            out.println "  */ "
            out.println "  @ExcelProperty(value = \"${it.keys?'主键':it.commoent}\")"
        }
        if (it.type == "LocalDateTime") {
            out.println "@JsonFormat(pattern = \"yyyy-MM-dd HH:mm:ss\")\n" +
                    "    @DateTimeFormat(value = \"yyyy-MM-dd HH:mm:ss\")"
        }
        out.println "   private ${it.type} ${it.name};"
    }
    out.println ""
    out.println "}"
    out.println ""


}

def calcFields(table) {
    DasUtil.getColumns(table).reduce([]) { fields, col ->
        def spec = Case.LOWER.apply(col.getDasType().getSpecification())
        def typeStr = typeMapping.find { p, t -> p.matcher(spec).find() }.value
        fields += [[
                           name    : javaName(col.getName(), false),
                           colName : col.getName(),
                           type    : typeStr,
                           commoent: col.getComment(),
                           keys    : "id".equals(Case.LOWER.apply(col.getName())),
                           orig    : col
                   ]]
    }
}

def javaName(str, capitalize) {
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    capitalize || s.length() == 1 ? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

下载：JavaDto.groovy

package com.isimple.nppm.commissioning.model.materials.chemical

import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil

/*
 * Available context bindings:
 *   SELECTION   Iterable<DasObject>
 *   PROJECT     project
 *   FILES       files helper
 */

typeMapping = [
        (~/(?i)int/)                      : "Integer",
        (~/(?i)float|double|decimal|real/): "String",
        (~/(?i)datetime|timestamp/)       : "java.sql.Timestamp",
        (~/(?i)date/)                     : "java.sql.Date",
        (~/(?i)time/)                     : "java.sql.Time",
        (~/(?i)/)                         : "String"
]



FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable }.each { generate(it, dir) }
}

def generate(table, dir) {
    def className = javaName(table.getName(), true)
//    className = "test_" + new Date().getTime()
    def fields = calcFields(table)
    new File(dir, className + ".java").withPrintWriter("utf-8") { out -> generate(out, className, fields, table) }
}

def generate(out, className, fields, table) {

    out.println "package com.isimple.nppm.commissioning.model.materials.chemical;\n" +
            "\n" +
            "\n" +
            "import com.baomidou.mybatisplus.annotation.TableName;\n" +
            "import com.isimple.core.boot.domain.BaseModel;\n" +
            "import lombok.Data;\n" +
            "import lombok.EqualsAndHashCode;\n" +
            "import lombok.ToString;"
    out.println ""
    out.println ""
    out.println ""
    out.println ""
    out.println "/**\n" +
            " * 调试管理-物资管理-化学品- 实体对象 ${table.getName()}\n" +
            " * @author: LiGuanglei\n" +
            " * @date: ${new Date()}\n" +
            " * @copyright: 国核信息科技有限公司\n" +
            " */"
    out.println "@Data"
    out.println "@ToString(callSuper = true)"
    out.println "@EqualsAndHashCode(callSuper = true)"
    out.println "@TableName(value = \"${table.getName()}\")"
    out.println "public class ${className} extends BaseModel {"
    out.println ""
    fields.each() {
        if (it.keys) return
        if (it.commoent) {
            out.println "  /**"
            out.println "  * ${it.commoent}"
            out.println "  */ "
        }
        out.println "   private ${it.type} ${it.name};"
    }
    out.println ""
    out.println "}"
    out.println ""


}

def calcFields(table) {
    DasUtil.getColumns(table).reduce([]) { fields, col ->
        def spec = Case.LOWER.apply(col.getDasType().getSpecification())
        def typeStr = typeMapping.find { p, t -> p.matcher(spec).find() }.value
        fields += [[
                           name    : javaName(col.getName(), false),
                           colName : col.getName(),
                           type    : typeStr,
                           commoent: col.getComment(),
                           keys    : "id".equals(Case.LOWER.apply(col.getName())),
                           orig    : col
                   ]]
    }
}

def javaName(str, capitalize) {
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    capitalize || s.length() == 1 ? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

下载：JavaModel.groovy