Component.GetComponents 获取组件列表

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public HingeJoint[] hingeJoints;
	public void Awake() {
		hingeJoints = GetComponents<HingeJoint>();
		foreach (HingeJoint joint in hingeJoints) {
			joint.useSpring = false;
		}
	}
}

// Disable the spring on all HingeJoints in this game object
//在这个游戏物体禁用全部铰链关节上的弹簧
var hingeJoints : HingeJoint[];
hingeJoints = GetComponents (HingeJoint);
for (var joint : HingeJoint in hingeJoints) {
joint.useSpring = false;
}