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326 lines
8.4 KiB
Go
326 lines
8.4 KiB
Go
package model
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import (
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"bytes"
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"fmt"
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"strings"
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"text/template"
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"github.com/xxjwxc/gormt/data/view/cnf"
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"github.com/xxjwxc/public/mybigcamel"
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"github.com/xxjwxc/gormt/data/config"
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"github.com/xxjwxc/gormt/data/view/genfunc"
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"github.com/xxjwxc/gormt/data/view/genstruct"
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)
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type _Model struct {
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info DBInfo
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pkg *genstruct.GenPackage
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}
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// Generate build code string.生成代码
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func Generate(info DBInfo) (out []GenOutInfo, m _Model) {
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m = _Model{
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info: info,
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}
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// struct
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var stt GenOutInfo
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stt.FileCtx = m.generate()
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stt.FileName = info.DbName + ".go"
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out = append(out, stt)
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// ------end
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// gen function
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if config.GetIsOutFunc() {
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out = append(out, m.generateFunc()...)
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}
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// -------------- end
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return
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}
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// GetPackage gen struct on table
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func (m *_Model) GetPackage() genstruct.GenPackage {
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if m.pkg == nil {
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var pkg genstruct.GenPackage
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pkg.SetPackage(m.info.PackageName) //package name
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for _, tab := range m.info.TabList {
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var sct genstruct.GenStruct
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sct.SetTableName(tab.Name)
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sct.SetStructName(getCamelName(tab.Name)) // Big hump.大驼峰
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sct.SetNotes(tab.Notes)
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sct.AddElement(m.genTableElement(tab.Em)...) // build element.构造元素
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sct.SetCreatTableStr(tab.SQLBuildStr)
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pkg.AddStruct(sct)
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}
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m.pkg = &pkg
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}
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return *m.pkg
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}
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func (m *_Model) generate() string {
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m.pkg = nil
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m.GetPackage()
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return m.pkg.Generate()
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}
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// genTableElement Get table columns and comments.获取表列及注释
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func (m *_Model) genTableElement(cols []ColumnsInfo) (el []genstruct.GenElement) {
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_tagGorm := config.GetDBTag()
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_tagJSON := config.GetURLTag()
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for _, v := range cols {
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var tmp genstruct.GenElement
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var isPK bool
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if strings.EqualFold(v.Type, "gorm.Model") { // gorm model
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tmp.SetType(v.Type) //
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} else {
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tmp.SetName(getCamelName(v.Name))
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tmp.SetNotes(v.Notes)
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tmp.SetType(getTypeName(v.Type, v.IsNull))
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for _, v1 := range v.Index {
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switch v1.Key {
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// case ColumnsKeyDefault:
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case ColumnsKeyPrimary: // primary key.主键
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tmp.AddTag(_tagGorm, "primary_key")
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isPK = true
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case ColumnsKeyUnique: // unique key.唯一索引
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tmp.AddTag(_tagGorm, "unique")
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case ColumnsKeyIndex: // index key.复合索引
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tmp.AddTag(_tagGorm, getUninStr("index", ":", v1.KeyName))
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case ColumnsKeyUniqueIndex: // unique index key.唯一复合索引
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tmp.AddTag(_tagGorm, getUninStr("unique_index", ":", v1.KeyName))
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}
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}
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}
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if len(v.Name) > 0 {
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// not simple output
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if !config.GetSimple() {
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tmp.AddTag(_tagGorm, "column:"+v.Name)
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tmp.AddTag(_tagGorm, "type:"+v.Type)
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if !v.IsNull {
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tmp.AddTag(_tagGorm, "not null")
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}
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}
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// json tag
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if config.GetIsWEBTag() {
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if isPK && config.GetIsWebTagPkHidden() {
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tmp.AddTag(_tagJSON, "-")
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} else {
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tmp.AddTag(_tagJSON, mybigcamel.UnMarshal(v.Name))
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}
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}
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}
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el = append(el, tmp)
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// ForeignKey
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if config.GetIsForeignKey() && len(v.ForeignKeyList) > 0 {
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fklist := m.genForeignKey(v)
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el = append(el, fklist...)
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}
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// -----------end
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}
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return
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}
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// genForeignKey Get information about foreign key of table column.获取表列外键相关信息
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func (m *_Model) genForeignKey(col ColumnsInfo) (fklist []genstruct.GenElement) {
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_tagGorm := config.GetDBTag()
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_tagJSON := config.GetURLTag()
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for _, v := range col.ForeignKeyList {
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isMulti, isFind, notes := m.getColumnsKeyMulti(v.TableName, v.ColumnName)
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if isFind {
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var tmp genstruct.GenElement
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tmp.SetNotes(notes)
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if isMulti {
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tmp.SetName(getCamelName(v.TableName) + "List")
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tmp.SetType("[]" + getCamelName(v.TableName))
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} else {
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tmp.SetName(getCamelName(v.TableName))
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tmp.SetType(getCamelName(v.TableName))
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}
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tmp.AddTag(_tagGorm, "association_foreignkey:"+col.Name)
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tmp.AddTag(_tagGorm, "foreignkey:"+v.ColumnName)
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// json tag
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if config.GetIsWEBTag() {
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tmp.AddTag(_tagJSON, mybigcamel.UnMarshal(v.TableName)+"_list")
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}
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fklist = append(fklist, tmp)
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}
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}
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return
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}
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func (m *_Model) getColumnsKeyMulti(tableName, col string) (isMulti bool, isFind bool, notes string) {
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var haveGomod bool
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for _, v := range m.info.TabList {
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if strings.EqualFold(v.Name, tableName) {
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for _, v1 := range v.Em {
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if strings.EqualFold(v1.Name, col) {
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for _, v2 := range v1.Index {
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switch v2.Key {
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case ColumnsKeyPrimary, ColumnsKeyUnique, ColumnsKeyUniqueIndex: // primary key unique key . 主键，唯一索引
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{
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return false, true, v.Notes
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}
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// case ColumnsKeyIndex: // index key. 复合索引
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// {
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// isMulti = true
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// }
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}
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}
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return true, true, v.Notes
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} else if strings.EqualFold(v1.Type, "gorm.Model") {
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haveGomod = true
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notes = v.Notes
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}
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}
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break
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}
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}
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// default gorm.Model
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if haveGomod {
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if strings.EqualFold(col, "id") {
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return false, true, notes
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}
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if strings.EqualFold(col, "created_at") ||
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strings.EqualFold(col, "updated_at") ||
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strings.EqualFold(col, "deleted_at") {
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return true, true, notes
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}
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}
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return false, false, ""
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// -----------------end
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}
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// ///////////////////////// func
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func (m *_Model) generateFunc() (genOut []GenOutInfo) {
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// getn base
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tmpl, err := template.New("gen_base").Parse(genfunc.GetGenBaseTemp())
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if err != nil {
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panic(err)
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}
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var buf bytes.Buffer
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tmpl.Execute(&buf, m.info)
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genOut = append(genOut, GenOutInfo{
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FileName: "gen.base.go",
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FileCtx: buf.String(),
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})
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//tools.WriteFile(outDir+"gen_router.go", []string{buf.String()}, true)
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// -------end------
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for _, tab := range m.info.TabList {
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var pkg genstruct.GenPackage
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pkg.SetPackage(m.info.PackageName) //package name
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pkg.AddImport(cnf.EImportsHead["gorm.Model"])
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pkg.AddImport(`"fmt"`)
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data := funDef{
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StructName: getCamelName(tab.Name),
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TableName: tab.Name,
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}
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var primary, unique, uniqueIndex, index []FList
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for _, el := range tab.Em {
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if strings.EqualFold(el.Type, "gorm.Model") {
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data.Em = append(data.Em, getGormModelElement()...)
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pkg.AddImport(`"time"`)
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buildFList(&primary, ColumnsKeyPrimary, "", "int64", "id")
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} else {
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typeName := getTypeName(el.Type, el.IsNull)
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isMulti := (len(el.Index) == 0)
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isUniquePrimary := false
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for _, v1 := range el.Index {
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if v1.Multi {
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isMulti = v1.Multi
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}
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switch v1.Key {
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// case ColumnsKeyDefault:
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case ColumnsKeyPrimary: // primary key.主键
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isUniquePrimary = !v1.Multi
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buildFList(&primary, ColumnsKeyPrimary, v1.KeyName, typeName, el.Name)
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case ColumnsKeyUnique: // unique key.唯一索引
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buildFList(&unique, ColumnsKeyUnique, v1.KeyName, typeName, el.Name)
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case ColumnsKeyIndex: // index key.复合索引
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buildFList(&index, ColumnsKeyIndex, v1.KeyName, typeName, el.Name)
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case ColumnsKeyUniqueIndex: // unique index key.唯一复合索引
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buildFList(&uniqueIndex, ColumnsKeyUniqueIndex, v1.KeyName, typeName, el.Name)
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}
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}
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if isMulti && isUniquePrimary { // 主键唯一
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isMulti = false
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}
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data.Em = append(data.Em, EmInfo{
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IsMulti: isMulti,
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Notes: fixNotes(el.Notes),
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Type: typeName, // Type.类型标记
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ColName: el.Name,
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ColStructName: getCamelName(el.Name),
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})
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if v2, ok := cnf.EImportsHead[typeName]; ok {
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if len(v2) > 0 {
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pkg.AddImport(v2)
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}
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}
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}
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// 外键列表
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for _, v := range el.ForeignKeyList {
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isMulti, isFind, notes := m.getColumnsKeyMulti(v.TableName, v.ColumnName)
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if isFind {
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var info PreloadInfo
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info.IsMulti = isMulti
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info.Notes = fixNotes(notes)
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info.ForeignkeyTableName = v.TableName
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info.ForeignkeyCol = v.ColumnName
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info.ForeignkeyStructName = getCamelName(v.TableName)
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info.ColName = el.Name
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info.ColStructName = getCamelName(el.Name)
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data.PreloadList = append(data.PreloadList, info)
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}
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}
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// ---------end--
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}
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data.Primay = append(data.Primay, primary...)
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data.Primay = append(data.Primay, unique...)
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data.Primay = append(data.Primay, uniqueIndex...)
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data.Index = append(data.Index, index...)
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tmpl, err := template.New("gen_logic").
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Funcs(template.FuncMap{"GenPreloadList": GenPreloadList, "GenFListIndex": GenFListIndex, "CapLowercase": CapLowercase}).
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Parse(genfunc.GetGenLogicTemp())
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if err != nil {
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panic(err)
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}
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var buf bytes.Buffer
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tmpl.Execute(&buf, data)
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pkg.AddFuncStr(buf.String())
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genOut = append(genOut, GenOutInfo{
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FileName: fmt.Sprintf(m.info.DbName+".gen.%v.go", tab.Name),
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FileCtx: pkg.Generate(),
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})
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}
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return
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}
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