fonchat/pages/index/index.vue

<template>
  <view class="content">
    <view class="top-bar">
      <image
        @click="changeMode"
        class="version"
        :src="
          isGPT3 ? '../../static/image/3.5.png' : '../../static/image/4.0.png'
        " />
      <view class="title">FONCHAT</view>
      <view></view>
    </view>

    <view class="bottom">
      <div v-show="!acqStatus">
        <div class="line"></div>
      </div>
      <view
        class="chat-content"
        id="chat-content"
        ref="chatContent">
        <view
          class="chat-wrapper"
          v-for="(item, index) in chatList"
          :key="index">
          <view
            class="chat-friend"
            v-if="item.uid !== 'admin'">
            <span style="color: #175abd"
              >智能助手<span
                style="font-size: 20rpx"
                v-show="!acqStatus && index === chatList.length - 1"
                >（正在思索……）</span
              ></span
            >
            <image
              style="
                height: 40px;
                width: 40px;
                position: absolute;
                left: -48px;
                top: 5px;
              "
              src="../../static/image/avator.png" />
            <view
              class="chat-text"
              v-if="item.chatType == 0">
              <view
                v-if="item.msg"
                class="chat-word"
                >{{ item.msg }}</view
              >
            </view>
            <view
              class="chat-image"
              v-if="item.chatType == 1">
              <image
                :src="item.msg"
                alt="表情"
                v-if="item.extend.imageType == 1"
                style="width: 100px; height: 100px" />
              <image
                style="border-radius: 10px"
                :src="item.msg"
                v-else>
              </image>
            </view>
          </view>
          <view
            class="chat-me"
            v-else>
            <image
              :src="item.headimage"
              alt=""
              style="
                height: 40px;
                width: 40px;
                position: absolute;
                right: -48px;
                top: 5px;
              " />
            <view
              class="chat-text"
              v-if="item.chatType == 0">
              <span style="font-size: 16px">{{ item.msg }}</span>
            </view>
            <view
              class="chat-image"
              v-if="item.chatType == 1">
              <image
                :src="item.msg"
                alt="表情"
                v-if="item.extend.imageType == 1"
                style="width: 100px; height: 100px" />
              <a-image
                style="max-width: 300px; border-radius: 10px"
                :src="item.msg"
                v-else>
              </a-image>
            </view>
          </view>
        </view>
      </view>
    </view>
    <!-- 下面是两个是占位元素 -->
    <view style="height: 12vh"></view>
    <view class="text-area"> </view>
    <view
      class="text-area"
      style="position: fixed">
      <u--input
        style="
          width: 500rpx;
          height: 60rpx;
          border-radius: 40rpx;
          background-color: #d8d8d8;
          margin-right: 20rpx;
        "
        :disabled="!acqStatus"
        @confirm="sendText"
        v-model="inputMsg"
        border="none"
        placeholder="请输入内容"></u--input>
      <u-button
        style="
          border-radius: 40rpx;
          width: 140rpx;
          height: 64rpx;
          background-color: #175abd;
        "
        @click="sendText"
        type="primary"
        text="发送"></u-button>
      <u-upload
        :fileList="fileList"
        name="6"
         accept="image"
        @afterRead="upLoaded"
        :maxCount="1">
        <u-icon
          size="30"
          style="margin-bottom: 30rpx; margin-left: 30rpx"
          name="plus-circle-fill"></u-icon>
      </u-upload>
    </view>
  </view>
</template>

<script>
import api from "@/http/";
import moment from "moment";
import {
  OPENAI_API_KEY,
  GPT_MODEL,
  FREQUENCY_PENALTY,
  MAX_TOKENS,
  PRESENCE_PENALTY,
  TEMPERATURE,
  TOP_P,
} from "utils/openAiConfig";
export default {
  data() {
    return {
      chatList: [],
      inputMsg: "",
      acqStatus: true,
      gptMode: "gpt-3.5-turbo",
      isGPT3: true,
      fileList: [],
    };
  },
  onLoad(item) {},
  methods: {
    //发送文字信息
    sendText() {
      this.$nextTick(() => {
        this.acqStatus = false;
      });
      const dateNow = moment().format("YYYY/M/DD/ HH:mm:ss");
      let params = {};
      console.log(this.inputMsg);
      if (this.inputMsg) {
        let chatMsg = {
          headimage: "../../static/image/head.jpg",
          name: GPT_MODEL,
          time: dateNow,
          msg: this.inputMsg,
          fileList:
            this.fileList.length > 0
              ? JSON.parse(JSON.stringify(this.fileList))
              : [],
          chatType: 0, //信息类型，0文字，1图片
          uid: "admin", //uid
        };
        console.log(chatMsg, 888);
        this.sendMsg(chatMsg);

        //如果是文字模式则进入
        (params.model = this.gptMode),
          (params.max_tokens = MAX_TOKENS),
          (params.temperature = TEMPERATURE),
          (params.top_p = TOP_P),
          (params.presence_penalty = PRESENCE_PENALTY),
          (params.frequency_penalty = FREQUENCY_PENALTY);

        let chatBeforResMsg = {
          headimage: "",
          name: "",
          time: moment().format("YYYY/M/DD/ HH:mm:ss"),
          msg: "",
          chatType: 0, //信息类型，0文字，1图片
          uid: "ai", //uid
        };
        this.chatCompletion(params, chatBeforResMsg);
        this.inputMsg = "";
        this.fileList = [];
      } else {
        this.$nextTick(() => {
          this.acqStatus = true;
        });
      }
    },
    // 自动滚动到底部
    scrollToBottom() {
      this.$nextTick(() => {
        uni
          .createSelectorQuery()
          .select(".chat-content")
          .boundingClientRect((data) => {
            uni.pageScrollTo({
              duration: 100, //过渡时间
              scrollTop: 1600, //到达目标class的top值
            });
          })
          .exec();
      });
    },
    // 切换模式
    changeMode(e) {
      this.acqStatus = true;
      this.isGPT3 = !this.isGPT3;
      this.gptMode = this.isGPT3 ? "gpt-3.5-turbo" : "gpt-4-1106-preview";
      // 清空对话
      this.chatList = [];
    },
    // 从接口获取对话结果
    async chatCompletion(params, chatBeforResMsg) {
      let conversation = this.contextualAssemblyData();
      params.messages = conversation.map((item) => {
        return {
          role: item.speaker === "user" ? "user" : "assistant",
          content: item.text,
        };
      });
      params.stream = true;
      //新增一个空的消息
      this.sendMsg(chatBeforResMsg);
      const self = this;
      const currentResLocation = this.chatList.length - 1;
      // 获取当前环境地址
      const baseUrl = "http://114.218.158.24:9020/";
      const token =
        "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";
      try {
        await fetch(baseUrl + "chat/completion", {
          method: "POST",
          timeout: 10000,
          body: JSON.stringify({
            ...params,
          }),
          headers: {
            "Content-Type": "application/json",
            Accept: "application/json",
            Authorization: token,
          },
        }).then((response) => {
          const reader = response.body.getReader();

          function readStream(reader) {
            console.log(reader, 666);
            return reader.read().then(({ done, value }) => {
              if (done) {
                return;
              }
              console.log(self.chatList, currentResLocation, 777);
              if (!self.chatList[currentResLocation].reminder) {
                self.chatList[currentResLocation].reminder = "";
              }
              let decoded = new TextDecoder().decode(value);
              decoded = self.chatList[currentResLocation].reminder + decoded;
              let decodedArray = decoded.split("data: ");
              decodedArray.forEach((decoded) => {
                if (decoded !== "") {
                  if (decoded.trim() === "[DONE]") {
                    return;
                  } else {
                    const response = JSON.parse(decoded).choices[0].delta
                      .content
                      ? JSON.parse(decoded).choices[0].delta.content
                      : "";
                    self.chatList[currentResLocation].msg =
                      self.chatList[currentResLocation].msg + response;
                    self.scrollToBottom();
                  }
                }
              });
              return readStream(reader);
            });
          }
          this.chatList[currentResLocation].msg =
            this.chatList[currentResLocation].msg;

          readStream(reader);
          this.$nextTick(() => {
            this.acqStatus = true;
          });
        });
      } catch (error) {
        console.error(error);
      }
    },
    //组装上下文数据
    contextualAssemblyData() {
      const conversation = [];
      for (var chat of this.chatList) {
        let role = [];
        if (chat.uid == "admin") {
          let my;
          if (this.gptMode === "gpt-4-1106-preview-vision-preview") {
            if (chat.fileList.length > 0) {
              chat.fileList.forEach((item) => {
                if (item) {
                  role.push({
                    type: "image_url",
                    image_url: item,
                  });
                }
              });
            }
            role.unshift({
              type: "text",
              text: chat.msg,
            });
            my = { speaker: "user", text: role };
          } else {
            my = { speaker: "user", text: chat.msg };
          }
          conversation.push(my);
        } else if (chat.uid == "ai") {
          let ai = { speaker: "agent", text: chat.msg };
          conversation.push(ai);
        }
      }
      return conversation;
    },
    // 发送信息
    sendMsg(msgList) {
      this.chatList.push(msgList);
      this.scrollToBottom();
    },
    // 当监听到向上滚动的时候
    scrollToUpper() {
      console.log("滚动到顶部");
    },
    uploadFilePromise(url) {
			return new Promise((resolve, reject) => {
				const Authorization = uni.getStorageSync('token');
				let a = uni.uploadFile({
					url: 'http://114.218.158.24:9020/upload/img',
					filePath: url,
					name: 'file',
					formData: {
            source: 'gpt',
            mask:''
          },
					header: {
						Authorization
					},
					success: res => {
						resolve(res.data);
						this.fileList.push(
              JSON.parse(res.data).data.ori_url
            );
            console.log(this.fileList, 888);
						
					}
				});
			});
		},
    async upLoaded(file, lists, name) {
			this.uploadFilePromise(file.file.url)
		},
  },
};

</script>

<style lang="scss" scoped>
.uni-body {
  height: 100vh;
  background-color: #fff;
  background-size: auto 100%;
  background-attachment: fixed;
}
page {
  height: 100vh;
  background-color: #fff;
  background-size: auto 100%;
  background-attachment: fixed;
}
/deep/ .u-input__content {
  color: #fff;
  padding-left: 40rpx;
}
/deep/ .u-upload{
  flex: none !important;
}
.text-area {
  // position: fixed;
  width: 95%;
  bottom: 0;
  height: 6vh;
  background-size: 100% 100%;
  background-color: #f2f2f2;
  display: flex;
  justify-content: space-between;
  padding: 30rpx 40rpx 0rpx 20rpx;
}
.content {
  width: 97%;
  background-color: #fff;
  background-size: auto 100%;
  background-attachment: fixed;
  height: 100%;
  // overflow: hidden;
  .top-bar {
    width: 100%;
    z-index: 100;
    position: fixed;
    height: 180rpx;
    // 背景色渐变
    background: linear-gradient(to bottom, #175abd 0%, #25a7f2 100%);
    display: flex;
    align-items: flex-end;

    justify-content: space-between;
    .version {
      margin-bottom: 25rpx;
      width: 100rpx;
      height: 56rpx;
      margin-left: 30rpx;
    }
    .title {
      margin-bottom: 30rpx;
      font-size: 36rpx;
      color: #fff;
      font-weight: bold;
      margin-right: 120rpx;
    }
  }
  .bottom {
    width: 100%;
    height: 80vh;
    background-size: 100% 100%;
    // background-color: rgb(50, 54, 68);
    border-radius: 20px;
    padding: 99px 20px 20px 20px;
    box-sizing: border-box;
    position: relative;

    .chat-content {
      width: 100%;
      height: 100%;
      // overflow-y: scroll;
      // overflow-x: hidden;
      padding: 20px;
      box-sizing: border-box;

      &::-webkit-scrollbar {
        width: 3px;
        /* 设置滚动条宽度 */
      }

      &::-webkit-scrollbar-thumb {
        background-color: #8b67ef;
        /* 设置滚动条滑块的背景色 */
      }

      .chat-friend {
        width: 100%;
        float: left;
        margin-bottom: 20px;
        position: relative;
        display: flex;
        margin-left: 30px;
        flex-direction: column;
        justify-content: flex-end;
        align-items: flex-start;

        .chat-text {
          float: left;
          max-width: 90%;
          padding: 15px;
          color: #535353;
          border-radius: 20px 20px 20px 5px;
          border: 1px solid #d8d8d8;
          background-color: #fff;
        }

        .chat-image {
          image {
            max-width: 300px;
            max-height: 200px;
            border-radius: 10px;
          }
        }

        .info-time {
          margin: 10px 0;
          font-size: 14px;
          display: flex;
          align-items: center;
          justify-content: flex-start;
          color: #8b67ef;
          image {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            vertical-align: middle;
            margin-right: 10px;
          }

          span {
            line-height: 30px;
          }

          span:last-child {
            margin-left: 10px;
            vertical-align: middle;
          }
        }
      }

      .chat-me {
        width: 100%;
        float: right;
        margin-bottom: 20px;
        position: relative;
        margin-right: 28px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: flex-end;

        .chat-text {
          float: right;
          max-width: 90%;
          padding: 15px;
          border-radius: 20px 20px 5px 20px;
          background-color: #175abd;
          color: #fff;
          word-break: break-all;
          // 让文字一个一个显示
        }

        .chat-image {
          image {
            max-width: 300px;
            max-height: 200px;
            border-radius: 10px;
          }
        }

        .info-time {
          margin: 10px 0;
          color: #8b67ef;
          font-size: 14px;
          align-items: center;
          display: flex;
          justify-content: flex-end;

          image {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            vertical-align: middle;
            margin-left: 10px;
          }

          span {
            line-height: 30px;
          }

          span:first-child {
            margin-right: 10px;
            vertical-align: middle;
          }
        }
      }
    }

    .chatInputs {
      width: 90%;
      position: absolute;
      bottom: 0;
      margin: 3%;
      display: flex;

      .boxinput {
        width: 50px;
        height: 50px;
        background-color: rgb(50, 54, 68);
        border-radius: 15px;
        border: 1px solid rgb(80, 85, 103);
        box-shadow: 0px 0px 5px 0px rgb(0, 136, 255);
        position: relative;
        cursor: pointer;

        image {
          width: 30px;
          height: 30px;
          position: absolute;
          left: 50%;
          top: 50%;
          transform: translate(-50%, -50%);
        }
      }

      .emoji {
        transition: 0.3s;
        width: 50px;
        min-width: 50px;
      }

      .luyin {
        color: #fff;
        margin-left: 1.5%;
        font-size: 30px;
        text-align: center;
        transition: 0.3s;
        width: 50px;
        min-width: 50px;
      }

      .inputs {
        width: 95%;
        height: 50px;
        background-color: rgb(66, 70, 86);
        border-radius: 15px;
        border: 2px solid rgb(34, 135, 225);
        padding: 10px;
        box-sizing: border-box;
        transition: 0.2s;
        font-size: 20px;
        color: #fff;
        font-weight: 100;
        margin: 0 20px;

        &:focus {
          outline: none;
        }
      }
    }
  }
  .line {
    position: relative;
    width: 100%;
    margin-left: 2%;
    height: 2px;
    background: linear-gradient(to right, #175abd 0%, #25a7f2 100%);
    animation: shrink-and-expand 2s ease-in-out infinite;
  }

  .line::before,
  .line::after {
    content: "";
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: inherit;
  }

  .line::before {
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
    left: 0;
    transform-origin: left;
    animation: shrink-left 2s ease-in-out infinite;
  }

  .line::after {
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
    right: 0;
    transform-origin: right;
    animation: shrink-right 2s ease-in-out infinite;
  }

  @keyframes shrink-and-expand {
    0%,
    100% {
      transform: scaleX(1);
    }

    50% {
      transform: scaleX(0);
    }
  }

  @keyframes shrink-left {
    0%,
    50% {
      transform: scaleX(1);
    }

    50.1%,
    100% {
      transform: scaleX(0);
    }
  }

  @keyframes shrink-right {
    0%,
    50% {
      transform: scaleX(1);
    }

    50.1%,
    100% {
      transform: scaleX(0);
    }
  }
  .chat-word {
    // 文字缓慢出现
    animation: word 0.5s linear;
  }
  @keyframes word {
    0% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }
}
</style>