修改IE下光标问题

src/swift/SWFPage2.js

@@ -408,7 +408,8 @@ class SNDBIC extends Component{
         this.state = {snd_bic:props.snd_bic,err_msg:this.props.err_msg}
     }
     onChange = val=>{
-        
+        if((!val && !this.state.snd_bic) || val == this.state.snd_bic)
+            return 
         let err_msg = validateRCV_BIC(val)
         
         this.props.onChange(val,err_msg)
@@ -442,7 +443,8 @@ class RCVBIC extends Component{
         this.state = {rcv_bic:props.rcv_bic,err_msg:this.props.err_msg}
     }
     onChange = val=>{
-        
+        if((!val && !this.state.rcv_bic) || val == this.state.rcv_bic)
+            return
         let err_msg = validateRCV_BIC(val)
         
         this.props.onChange(val,err_msg)
@@ -765,16 +767,16 @@ export  class Tag extends MessageArea
         // this.state = {name:this.name}
         this.state={tagValue:this.props.pattern.tagValue}
     }
-
-    output()
-    {
-        let comp = TagSet("T"+this.props.pattern.tag,{action:this.props.action,enLock:this.props.enLock,mty:this.props.mty,status:this.props.pattern.status,value:this.props.pattern.tagValue,desp:this.props.pattern.label},
-            val=>{
+    onValue = val=>{
                 this.props.pattern.tagValue = val
                 TagV("T"+this.props.pattern.tag,this.props.pattern.status,val,this.props.pattern.tno,this.props.mty)
                 this.setState({tagValue:this.props.pattern.tagValue})
                 //this.props.updateTreeValue()
-                }
+    }
+    output()
+    {
+        let comp = TagSet("T"+this.props.pattern.tag,{action:this.props.action,enLock:this.props.enLock,mty:this.props.mty,status:this.props.pattern.status,value:this.props.pattern.tagValue,desp:this.props.pattern.label},
+            this.onValue
             )
         if(!comp)
             return null;

src/swift/Tags/ZTextArea.js

@@ -6,10 +6,20 @@ import {Input} from 'antd'
 export default class ZTextArea extends Component
 {
 
+    shouldComponentUpdate(nextProps, nextState)
+    {
+        if((!this.props.value && !nextProps.value) || this.props.value == nextProps.value)
+            return false
+        return true
+    }
     onChange=(e)=>
     {
-        const rows = this.props.maxLength/this.props.cols
         
+        const rows = this.props.maxLength/this.props.cols
+        let nval = e.target.value
+        let oldval = this.props.value
+        if((!oldval && ! nval) || nval== oldval)
+            return
         replace2(this.eibs.refs.input,e.nativeEvent,rows,this.props.cols,this.props.value)
         
         this.props.onChange && this.props.onChange(e)
@@ -98,6 +108,8 @@ const LineChar = '\r'
 function replace2(obj,evt,rows,cols,oldval)
 {
     let result = obj.value;
+    if((!result && !oldval ) || result == oldval)
+        return
     result = result.replace(/[\r\n]{1,2}/g,'\r')
     
     let position = getTxtCursorPosition(obj)