feat: add search tool #4 (#59)

Author: afumu

gplus/dao.go

@@ -148,7 +148,7 @@ func SelectById[T any](id any, opts ...OptionFunc) (*T, *gorm.DB) {
 	q.Eq(getPkColumnName[T](), id)
 	var entity T
 	resultDb := buildCondition(q, opts...)
-	return &entity, resultDb.First(&entity)
+	return &entity, resultDb.Take(&entity)
 }
 
 // SelectByIds 根据 ID 查询多条记录
@@ -162,7 +162,7 @@ func SelectByIds[T any](ids any, opts ...OptionFunc) ([]*T, *gorm.DB) {
 func SelectOne[T any](q *QueryCond[T], opts ...OptionFunc) (*T, *gorm.DB) {
 	var entity T
 	resultDb := buildCondition(q, opts...)
-	return &entity, resultDb.First(&entity)
+	return &entity, resultDb.Take(&entity)
 }
 
 // SelectList 根据条件查询多条记录
@@ -279,6 +279,10 @@ func buildCondition[T any](q *QueryCond[T], opts ...OptionFunc) *gorm.DB {
 			resultDb.Select(q.selectColumns)
 		}
 
+		if len(q.omitColumns) > 0 {
+			resultDb.Omit(q.omitColumns...)
+		}
+
 		expressions := q.queryExpressions
 		if len(expressions) > 0 {
 			var sqlBuilder strings.Builder

gplus/query.go

@@ -26,6 +26,7 @@ import (
 
 type QueryCond[T any] struct {
 	selectColumns    []string
+	omitColumns      []string
 	distinctColumns  []string
 	queryExpressions []any
 	orderBuilder     strings.Builder
@@ -37,6 +38,7 @@ type QueryCond[T any] struct {
 	limit            *int
 	offset           int
 	updateMap        map[string]any
+	columnTypeMap    map[string]reflect.Type
 }
 
 func (q *QueryCond[T]) getSqlSegment() string {
@@ -46,7 +48,6 @@ func (q *QueryCond[T]) getSqlSegment() string {
 // NewQuery 构建查询条件
 func NewQuery[T any]() (*QueryCond[T], *T) {
 	q := &QueryCond[T]{}
-
 	modelTypeStr := reflect.TypeOf((*T)(nil)).Elem().String()
 	if model, ok := modelInstanceCache.Load(modelTypeStr); ok {
 		m, isReal := model.(*T)
@@ -150,13 +151,27 @@ func (q *QueryCond[T]) LikeLeft(column any, val any) *QueryCond[T] {
 	return q
 }
 
+// NotLikeLeft 非左模糊 NOT LIKE '%值'
+func (q *QueryCond[T]) NotLikeLeft(column any, val any) *QueryCond[T] {
+	s := fmt.Sprintf("%v", val)
+	q.addExpression(q.buildSqlSegment(column, constants.Not+" "+constants.Like, "%"+s)...)
+	return q
+}
+
 // LikeRight 右模糊 LIKE '值%'
 func (q *QueryCond[T]) LikeRight(column any, val any) *QueryCond[T] {
 	s := fmt.Sprintf("%v", val)
 	q.addExpression(q.buildSqlSegment(column, constants.Like, s+"%")...)
 	return q
 }
 
+// NotLikeRight 非右模糊 NOT LIKE '值%'
+func (q *QueryCond[T]) NotLikeRight(column any, val any) *QueryCond[T] {
+	s := fmt.Sprintf("%v", val)
+	q.addExpression(q.buildSqlSegment(column, constants.Not+" "+constants.Like, s+"%")...)
+	return q
+}
+
 // IsNull 是否为空 字段 IS NULL
 func (q *QueryCond[T]) IsNull(column any) *QueryCond[T] {
 	q.addExpression(q.buildSqlSegment(column, constants.IsNull, "")...)
@@ -284,6 +299,15 @@ func (q *QueryCond[T]) Select(columns ...any) *QueryCond[T] {
 	return q
 }
 
+// Omit 忽略字段
+func (q *QueryCond[T]) Omit(columns ...any) *QueryCond[T] {
+	for _, v := range columns {
+		columnName := getColumnName(v)
+		q.omitColumns = append(q.omitColumns, columnName)
+	}
+	return q
+}
+
 // Set 设置更新的字段
 func (q *QueryCond[T]) Set(column any, val any) *QueryCond[T] {
 	columnName := getColumnName(column)