{ //材料 "materials": [ { "item": { //特定的某种材料 "item": "minecraft:copper_ingot" }, "count": 18 }, { "item": { "tag": "minecraft:logs" }, "count": 16 }, { "item": { //特定的某种材料 "item": "minecraft:iron_ingot" }, "count": 14 } ], //输出结果 "result": { //类型 "type": "gun", //输出物品 "id": "emxarms:emx_boomstick" } }