data的find方法根据日期或日期时间字段的值查找数据

1.根据数据集中存储的日期或日期时间类型的字段值查找

        var data = this.comp("mainData");

        //日期查找
        var date = data.getValue("fdate");
        var date1 = wx.Date.toString(date,'yyyy-MM-dd');
        data.find(['fdate'],[date1]);

        //日期时间查找
        var time = data.getValue("ftime");
        var time1 = wx.Date.toString(time,'yyyy-MM-dd hh:mm:ss');   
        data.find(['ftime'],[time1]);

2.用当前日期查找

        var data = this.comp("mainData");  
        var date1 = wx.Date.toString(new Date(),'yyyy-MM-dd');
        data.find(['fdate'],[date1]);

3.用指定日期查找

        var data = this.comp("mainData");

        //日期查找
        var date1 = "2020-01-03";
        data.find(['fdate'],[date1]);

        //日期时间查找
        var time1 = "2022-01-03 17:15:34";
        data.find(['ftime'],[time1]);

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