大佬们帮忙看看这个问题,调用的是百度的大模型平台,因为返回的的数据流前边都带 data: 无奈只能去掉前边的,然后再转换JSON,
但是发现转换JSON时会偶发报错.并不是每次回调都会报错.如图其实是有三次回答,第一次成功了,第二次就失败了.搞不懂是不是两次之间太快了?偶发

send() {
        var that = this;
        that.setData({
            text: ''
        })
        var data = {
            messages: [
                {
                    'role': 'user',
                    'content': that.data.text0
                }
            ],
            stream: true
        }
        var requestTask = wx.request({
            url: 'https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/ernie-speed-128k?access_token=XXXXX',
            data: JSON.stringify(data),
            method: 'POST',
            enableChunked: true,
            success: function (r) {
            },
            fail: function (r) {
            }
        })


        requestTask.onChunkReceived(function (resp) {
            var str = textDecoder.decode(resp.data)
            console.log(str)
            if (str.startsWith('data:')) {
                str = str.slice(5);
                var str2 = JSON.parse(str)
                console.log(str2)
                var is_end = str2.is_end;
                var result = str2.result;
                var text = that.data.text;
                text += result;
                that.setData({
                    text: text
                })
                if (is_end) {
                    requestTask.offChunkReceived()
                }
            }
        });
    },