feat：完成首页搜索功能

app/api/website/controller/search/instance.go

@@ -0,0 +1,30 @@
+package search
+
+import (
+	"errors"
+)
+
+type Instance struct{}
+
+type InstanceHandle func() *Instance
+
+var instanceHandle = map[int]func(int, int, string, string, map[string]interface{}) (interface{}, error){
+	1: searchCompany, 2: achievementSearch, 3: searchLaboratory,
+	4: searchPatent, 5: searchExpert, 6: searchDemand,
+}
+
+// Launch 发起搜索
+func (c *Instance) Launch(mode int, keyword, industry string, params map[string]interface{}, page, pageSize int) (interface{}, error) {
+	handle, has := instanceHandle[mode]
+
+	if !has {
+		return nil, errors.New("操作错误，未知的搜索模式")
+	}
+	return handle(page, pageSize, keyword, industry, params)
+}
+
+func NewInstance() InstanceHandle {
+	return func() *Instance {
+		return &Instance{}
+	}
+}