{"id":232769,"date":"2020-12-29T01:41:19","date_gmt":"2020-12-28T17:41:19","guid":{"rendered":"http:\/\/4563.org\/?p=232769"},"modified":"2020-12-29T01:41:19","modified_gmt":"2020-12-28T17:41:19","slug":"plc4j-%e7%9a%84-s7-driver-%e4%b8%8d%e6%94%af%e6%8c%81%e5%86%99%e5%85%a5-real-%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=232769","title":{"rendered":"plc4j \u7684 s7 driver \u4e0d\u652f\u6301\u5199\u5165 real \u5417\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  plc4j \u7684 s7 driver \u4e0d\u652f\u6301\u5199\u5165 real \u5417\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : noritanu <\/span>  <span><i><\/i> 10<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\">                        \u5728\u7528 plc4x+java \u505a pc \u8bfb\u5199 plc \u7684\u9879\u76ee\uff0c\u9700\u8981\u8bfb\u5199 bool\uff0cword \u548c real \u4e09\u79cd\u7c7b\u578b\u3002\u8bfb\u6d4b\u8bd5\u8fc7\u4e86\u90fd\u884c\uff0c\u5199 bool \u4e5f\u884c\uff0c\u5c31\u662f word \u548c real \u4e00\u5199\u5165\u5c31 no such method exception \u3002\u7ffb\u6e90\u7801\u5904\u7406\u8f93\u5165\u7684\u65b9\u6cd5\u91cc\u53d1\u73b0\u662f\u7528\u4e86\u53cd\u5c04\uff0c\u628a\u4e00\u4e2a\u6570\u7ec4 castedValues \u4f20\u7ed9\u4e86\u6784\u9020\u5668\uff0c\u4f46\u662f plcValue \u5c31\u6ca1\u6709\u63a5\u53d7\u6570\u7ec4\u7684\u6784\u9020\u5668\u3002<\/p>\n<p>fieldType.getDeclaredConstructor(valueType).newInstance(castedValues);<\/p>\n<p>fieldType \u662f plcValue \u7684\u5b50\u7c7b\uff0cplcFloat \u7c7b\u6784\u9020\u5668\u53ef\u4ee5\u63a5\u53d7 Float \u6216 float\uff0c\u4f46\u662f\u6ca1\u6709 Float[]\uff0c\u6240\u4ee5\u6bcf\u6b21\u90fd\u5728\u8fd9\u91cc\u62a5 no such method<\/p>\n<p>\u6587\u6863\u6ca1\u5199\uff0c\u641c\u8fc7\u53d1\u73b0\u6ca1\u4eba\u95ee\u8fd9\u4e2a\uff0c\u770b plc4x \u7684 issues \u9875\u9762\u751a\u81f3\u53d1\u73b0\u6ca1\u6709\u6d4b\u8bd5\u5199\u7684\u529f\u80fd\u3002\u5230\u8fd9\u6211\u5c31\u4e0d\u77e5\u9053\u600e\u4e48\u529e\u4e86\u3002      <\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>plc4j \u7684 s7 driver&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/232769"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=232769"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/232769\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=232769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=232769"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=232769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}