java字符串数组转换为MAP类型

1.学习java,想将字符串类型转化为MAP类型,试了好多种方法,但是都不是我想要的结果。如下是我从map中调用get("list"),取出的结果,想将此结果再转化list
2.:
{to_system=upw, unit=g, target_date=2020-05-26, createTime=2020-05-26 16:38:09.683, use_value=7.00, Id=6, energy_name=gas, energy_desc=天然气, to_mgdept=water, energy_type=gas, offline_name=test}, {to_system=UPW, unit=g, target_date=2020-05-25, createTime=2020-05-25 11:56:12.537, use_value=7.00, Id=5, energy_name=NaHCO3, energy_desc=碳酸氢钠, to_mgdept=Water, energy_type=UPW_CHEM, offline_name=NaHCO3}, {to_system=UPW, unit=g, target_date=2020-05-22, createTime=2020-05-22 15:37:23.0, use_value=0.00, Id=3, energy_name=HCL, energy_desc=盐酸, to_mgdept=Water, energy_type=UPW_CHEM, offline_name=HCL}, {to_system=UPW, unit=g, target_date=2020-05-22, createTime=2020-05-22 15:37:23.0, use_value=10.00, Id=4, energy_name=NaOH, energy_desc=氢氧化钠, to_mgdept=Water, energy_type=UPW_CHEM, offline_name=NaOH}]

可以利用 Gson转换对象、你可以去了解一下Gson ,这是非常简单的