craw_spider/spiders/jd/jd_shop_info4.py

class SlideUtils:

    @staticmethod
    def slide_by_action_chains(driver, degree):
        # 通过 JavaScript 执行鼠标事件
        script = """
            degree=arguments[0]

            function generateSmartTrajectory(targetX) {
                const trajectory = [];
                let x = 0;
                let t = 0;

                trajectory.push([x, 0, t]);


                while (x < targetX * 0.3) {
                    const dx = Math.random() < 0.7 ? 1 : 2;
                    x += dx;
                    t = 12 + Math.floor(Math.random() * 10); // 12~22ms
                    trajectory.push([x, 0, t]);
                }


                while (x < targetX - 8) {
                    const dx = 2 + Math.floor(Math.random() * 3); // 起步步长2~4
                    x += dx;
                    t = 10 + Math.floor(Math.random() * 8); // 停留10~18ms
                    trajectory.push([x, 0, t]);
                }


                const overshoot = targetX + Math.floor(Math.random() * 7) + 3; // 2~4 px 超过
                while (x < overshoot) {
                    const dx = Math.random() < 0.8 ? 1 : 0; // 单次步长1为主
                    x += dx;
                    t = 28 + Math.floor(Math.random() * 25); // 停留28~53ms
                    trajectory.push([x, 0, t]);
                }


                while (x > targetX) {
                    const dx = Math.random() < 0.6 ? -1 : 0; // 回退
                    x += dx;
                    t = 50 + Math.floor(Math.random() * 40); // 停留50~90ms
                    trajectory.push([x, 0, t]);
                }


                const lingerCount = 2 + Math.floor(Math.random() * 3); // 结束  2~4 次
                for (let i = 0; i < lingerCount; i++) {
                    t = 100 + Math.floor(Math.random() * 250); // 停留100~350ms
                    trajectory.push([targetX, 0, t]);
                }

                return trajectory;
                }


                async function jdRotate_slide(trajectory) {
                    const element = document.querySelector('#slider-div');
                    coordinates = element.getBoundingClientRect();
                    console.log(coordinates)
                    centerX = coordinates.x + 10
                    centerY = coordinates.y + 10
                    const mouseEvent = (type, x, y) => {
                        const event = new MouseEvent(type,{
                            bubbles: true,
                            cancelable: true,
                            clientX: x,
                            clientY: y,
                        });

                        element.dispatchEvent(event);
                    }
                    ;
                    mouseEvent('mousedown', centerX, centerY);

                    let y = 0
                    for (let i = 1; i < trajectory.length; i++) {
                        [x,k,t] = trajectory[i];
                        y = y + Math.floor(Math.random() * 2);
                        mouseEvent('mousemove', centerX + x, centerY + y);
                        await new Promise(resolve => setTimeout(resolve, t));
                    }

                    mouseEvent('mouseup', centerX + x, centerY + y);

                }
                x =degree/1.5
                track_ = generateSmartTrajectory(x)
                jdRotate_slide(track_)

        """
        driver.execute_script(script, degree)