Go语言操作RediSearch进行搜索方法示例详解

# redis-stack
version: '3.1'
services:
  redis-stack:
    image: redis/redis-stack-server:latest
    ports:
      - 6380:6379
    volumes:
      - ./data:/data

docker-compose up -d

func TestRedisSearch(t *testing.T) {
    // 连接
    conn := redisearch.NewClient("localhost:6380", "tangshi")
    // 定义索引
    sc := redisearch.NewSchema(redisearch.DefaultOptions).AddField(redisearch.NewTextFieldOptions("title", redisearch.TextFieldOptions{Weight: 5.0, Sortable: true})).AddField(redisearch.NewTextField("content"))
    // 删除现有索引
    conn.Drop()
    // 创建索引
    err := conn.CreateIndex(sc)
    assert.Equal(t, err, nil)
    // 添加文档
    doc1 := redisearch.NewDocument("doc1", 1.0)
    doc1.Set("title", "春晓").Set("content", "春眠不觉晓，处处闻啼鸟。夜来风雨声，花落知多少。")
    doc2 := redisearch.NewDocument("doc2", 1.0)
    doc2.Set("title", "春夜喜雨").Set("content", "好雨知时节，当春乃发生。随风潜入夜，润物细无声。")
    doc3 := redisearch.NewDocument("doc3", 1.0)
    doc3.Set("title", "春夜洛城闻笛").Set("content", "谁家玉笛暗飞声，散入春风满洛城。此夜曲中闻折柳，何人不起故园情。")
    doc4 := redisearch.NewDocument("doc4", 1.0)
    doc4.Set("title", "江雪").Set("content", "千山鸟飞绝，万径人踪灭。孤舟蓑笠翁，独钓寒江雪。")
    doc5 := redisearch.NewDocument("doc5", 1.0)
    doc5.Set("title", "望庐山瀑布").Set("content", "日照香炉生紫烟，遥看瀑布挂前川。飞流直下三千尺，疑是银河落九天。")
    // 为索引添加文档
    err = conn.IndexOptions(redisearch.DefaultIndexingOptions, []redisearch.Document{doc1, doc2, doc3, doc4, doc5}...)
    assert.Equal(t, err, nil)
    time.Sleep(time.Millisecond * 100)
    // 搜索 瀑布
    docs, total, err := conn.Search(redisearch.NewQuery("*瀑布*").Limit(0, 5).SetReturnFields("title", "content"))
    assert.Equal(t, err, nil)
    assert.Equal(t, total, 1)
    assert.Equal(t, docs[0].Properties["title"], "望庐山瀑布")
    // 搜索 春
    docs, total, err = conn.Search(redisearch.NewQuery("*春*").Limit(0, 5).SetReturnFields("title", "content").SetSortBy("title", true))
    assert.Equal(t, err, nil)
    assert.Equal(t, total, 3)
    assert.Equal(t, docs[0].Properties["title"], "春夜喜雨")
    for _, item := range docs {
        t.Log(item.Properties["title"], item.Properties["content"])
    }
}